Home / 18,126,402.28-25,011,508.26-10,390,021

Finding the Fourth Proportional to 18,126,402.28, 25,011,508.26 and 10,390,021

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Solution

The fourth proportional to 18,126,402.28, 25,011,508.26 and 10,390,021 is: 14,336,551.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,402.28 : 25,011,508.26 = 10,390,021 : x
  2. Step 2: Convert to fraction form
    18,126,402.28/25,011,508.26 = 10,390,021/x
  3. Step 3: Cross multiply
    18,126,402.28x = 25,011,508.26 × 10,390,021
  4. Step 4: Simplify right side
    18,126,402.28x = 259,870,096,063,073.47
  5. Step 5: Solve for x
    x = 259,870,096,063,073.47/18,126,402.28
  6. Step 6: Final answer
    x = 14,336,551.29

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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.