Home / 18,373,698.78-25,358,118.76-10,536,278.10

Finding the Fourth Proportional to 18,373,698.78, 25,358,118.76 and 10,536,278.10

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Solution

The fourth proportional to 18,373,698.78, 25,358,118.76 and 10,536,278.10 is: 14,541,448.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373,698.78 : 25,358,118.76 = 10,536,278.10 : x
  2. Step 2: Convert to fraction form
    18,373,698.78/25,358,118.76 = 10,536,278.10/x
  3. Step 3: Cross multiply
    18,373,698.78x = 25,358,118.76 × 10,536,278.10
  4. Step 4: Simplify right side
    18,373,698.78x = 267,180,191,348,187.16
  5. Step 5: Solve for x
    x = 267,180,191,348,187.16/18,373,698.78
  6. Step 6: Final answer
    x = 14,541,448.32

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.