Home / 27,957,126.61-38,580,466.91-15,397,940.13

Finding the Fourth Proportional to 27,957,126.61, 38,580,466.91 and 15,397,940.13

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Solution

The fourth proportional to 27,957,126.61, 38,580,466.91 and 15,397,940.13 is: 21,248,954.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,957,126.61 : 38,580,466.91 = 15,397,940.13 : x
  2. Step 2: Convert to fraction form
    27,957,126.61/38,580,466.91 = 15,397,940.13/x
  3. Step 3: Cross multiply
    27,957,126.61x = 38,580,466.91 × 15,397,940.13
  4. Step 4: Simplify right side
    27,957,126.61x = 594,059,719,532,573.12
  5. Step 5: Solve for x
    x = 594,059,719,532,573.12/27,957,126.61
  6. Step 6: Final answer
    x = 21,248,954.79

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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.