Home / 21,025,073.70-31,543,515.45-10,242,726.30

Finding the Fourth Proportional to 21,025,073.70, 31,543,515.45 and 10,242,726.30

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Solution

The fourth proportional to 21,025,073.70, 31,543,515.45 and 10,242,726.30 is: 15,366,966.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025,073.70 : 31,543,515.45 = 10,242,726.30 : x
  2. Step 2: Convert to fraction form
    21,025,073.70/31,543,515.45 = 10,242,726.30/x
  3. Step 3: Cross multiply
    21,025,073.70x = 31,543,515.45 × 10,242,726.30
  4. Step 4: Simplify right side
    21,025,073.70x = 323,091,595,294,171.38
  5. Step 5: Solve for x
    x = 323,091,595,294,171.38/21,025,073.70
  6. Step 6: Final answer
    x = 15,366,966.12

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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.