Home / 27,701,876.88-38,227,922.77-15,142,373.28

Finding the Fourth Proportional to 27,701,876.88, 38,227,922.77 and 15,142,373.28

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Solution

The fourth proportional to 27,701,876.88, 38,227,922.77 and 15,142,373.28 is: 20,896,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,701,876.88 : 38,227,922.77 = 15,142,373.28 : x
  2. Step 2: Convert to fraction form
    27,701,876.88/38,227,922.77 = 15,142,373.28/x
  3. Step 3: Cross multiply
    27,701,876.88x = 38,227,922.77 × 15,142,373.28
  4. Step 4: Simplify right side
    27,701,876.88x = 578,861,476,397,921.50
  5. Step 5: Solve for x
    x = 578,861,476,397,921.50/27,701,876.88
  6. Step 6: Final answer
    x = 20,896,110.36

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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.