Home / 27,887,812.43-38,486,115.72-15,498,428.04

Finding the Fourth Proportional to 27,887,812.43, 38,486,115.72 and 15,498,428.04

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Solution

The fourth proportional to 27,887,812.43, 38,486,115.72 and 15,498,428.04 is: 21,388,350.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887,812.43 : 38,486,115.72 = 15,498,428.04 : x
  2. Step 2: Convert to fraction form
    27,887,812.43/38,486,115.72 = 15,498,428.04/x
  3. Step 3: Cross multiply
    27,887,812.43x = 38,486,115.72 × 15,498,428.04
  4. Step 4: Simplify right side
    27,887,812.43x = 596,474,295,025,532.75
  5. Step 5: Solve for x
    x = 596,474,295,025,532.75/27,887,812.43
  6. Step 6: Final answer
    x = 21,388,350.08

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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.