Home / 25,487,549.70-38,231,324.55-18,366,240.30

Finding the Fourth Proportional to 25,487,549.70, 38,231,324.55 and 18,366,240.30

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Solution

The fourth proportional to 25,487,549.70, 38,231,324.55 and 18,366,240.30 is: 27,549,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487,549.70 : 38,231,324.55 = 18,366,240.30 : x
  2. Step 2: Convert to fraction form
    25,487,549.70/38,231,324.55 = 18,366,240.30/x
  3. Step 3: Cross multiply
    25,487,549.70x = 38,231,324.55 × 18,366,240.30
  4. Step 4: Simplify right side
    25,487,549.70x = 702,165,693,672,589.38
  5. Step 5: Solve for x
    x = 702,165,693,672,589.38/25,487,549.70
  6. Step 6: Final answer
    x = 27,549,360.45

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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.