Home / 38,182,516.05-57,279,154.28-12,266,127.21

Finding the Fourth Proportional to 38,182,516.05, 57,279,154.28 and 12,266,127.21

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Solution

The fourth proportional to 38,182,516.05, 57,279,154.28 and 12,266,127.21 is: 18,400,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,182,516.05 : 57,279,154.28 = 12,266,127.21 : x
  2. Step 2: Convert to fraction form
    38,182,516.05/57,279,154.28 = 12,266,127.21/x
  3. Step 3: Cross multiply
    38,182,516.05x = 57,279,154.28 × 12,266,127.21
  4. Step 4: Simplify right side
    38,182,516.05x = 702,593,392,818,365.38
  5. Step 5: Solve for x
    x = 702,593,392,818,365.38/38,182,516.05
  6. Step 6: Final answer
    x = 18,400,919.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.