Home / 27,754,139.88-38,301,166.68-15,194,985.12

Finding the Fourth Proportional to 27,754,139.88, 38,301,166.68 and 15,194,985.12

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Solution

The fourth proportional to 27,754,139.88, 38,301,166.68 and 15,194,985.12 is: 20,969,327.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,754,139.88 : 38,301,166.68 = 15,194,985.12 : x
  2. Step 2: Convert to fraction form
    27,754,139.88/38,301,166.68 = 15,194,985.12/x
  3. Step 3: Cross multiply
    27,754,139.88x = 38,301,166.68 × 15,194,985.12
  4. Step 4: Simplify right side
    27,754,139.88x = 581,985,657,781,239.75
  5. Step 5: Solve for x
    x = 581,985,657,781,239.75/27,754,139.88
  6. Step 6: Final answer
    x = 20,969,327.83

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Double scale
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1.5x scale

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.