Home / 27,977,436-38,607,366.12-15,418,082.58

Finding the Fourth Proportional to 27,977,436, 38,607,366.12 and 15,418,082.58

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Solution

The fourth proportional to 27,977,436, 38,607,366.12 and 15,418,082.58 is: 21,276,129.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,977,436 : 38,607,366.12 = 15,418,082.58 : x
  2. Step 2: Convert to fraction form
    27,977,436/38,607,366.12 = 15,418,082.58/x
  3. Step 3: Cross multiply
    27,977,436x = 38,607,366.12 × 15,418,082.58
  4. Step 4: Simplify right side
    27,977,436x = 595,251,559,034,454.12
  5. Step 5: Solve for x
    x = 595,251,559,034,454.12/27,977,436
  6. Step 6: Final answer
    x = 21,276,129.77

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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.