Home / 10,348,911.70-15,523,367.55-10,278,052.90

Finding the Fourth Proportional to 10,348,911.70, 15,523,367.55 and 10,278,052.90

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Solution

The fourth proportional to 10,348,911.70, 15,523,367.55 and 10,278,052.90 is: 15,417,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348,911.70 : 15,523,367.55 = 10,278,052.90 : x
  2. Step 2: Convert to fraction form
    10,348,911.70/15,523,367.55 = 10,278,052.90/x
  3. Step 3: Cross multiply
    10,348,911.70x = 15,523,367.55 × 10,278,052.90
  4. Step 4: Simplify right side
    10,348,911.70x = 159,549,992,865,043.41
  5. Step 5: Solve for x
    x = 159,549,992,865,043.41/10,348,911.70
  6. Step 6: Final answer
    x = 15,417,079.35

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.