Home / 18,407,496.47-25,402,422.13-10,147,377.44

Finding the Fourth Proportional to 18,407,496.47, 25,402,422.13 and 10,147,377.44

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Solution

The fourth proportional to 18,407,496.47, 25,402,422.13 and 10,147,377.44 is: 14,003,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,407,496.47 : 25,402,422.13 = 10,147,377.44 : x
  2. Step 2: Convert to fraction form
    18,407,496.47/25,402,422.13 = 10,147,377.44/x
  3. Step 3: Cross multiply
    18,407,496.47x = 25,402,422.13 × 10,147,377.44
  4. Step 4: Simplify right side
    18,407,496.47x = 257,767,965,281,456.41
  5. Step 5: Solve for x
    x = 257,767,965,281,456.41/18,407,496.47
  6. Step 6: Final answer
    x = 14,003,423.32

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Double scale
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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.