Home / 27,721,318.25-38,253,872.24-15,159,894.07

Finding the Fourth Proportional to 27,721,318.25, 38,253,872.24 and 15,159,894.07

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Solution

The fourth proportional to 27,721,318.25, 38,253,872.24 and 15,159,894.07 is: 20,919,807.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,721,318.25 : 38,253,872.24 = 15,159,894.07 : x
  2. Step 2: Convert to fraction form
    27,721,318.25/38,253,872.24 = 15,159,894.07/x
  3. Step 3: Cross multiply
    27,721,318.25x = 38,253,872.24 × 15,159,894.07
  4. Step 4: Simplify right side
    27,721,318.25x = 579,924,650,925,713.62
  5. Step 5: Solve for x
    x = 579,924,650,925,713.62/27,721,318.25
  6. Step 6: Final answer
    x = 20,919,807.84

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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.