Home / 38,088,123.65-57,124,546.92-18,648,974.15

Finding the Fourth Proportional to 38,088,123.65, 57,124,546.92 and 18,648,974.15

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Solution

The fourth proportional to 38,088,123.65, 57,124,546.92 and 18,648,974.15 is: 27,969,721.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,088,123.65 : 57,124,546.92 = 18,648,974.15 : x
  2. Step 2: Convert to fraction form
    38,088,123.65/57,124,546.92 = 18,648,974.15/x
  3. Step 3: Cross multiply
    38,088,123.65x = 57,124,546.92 × 18,648,974.15
  4. Step 4: Simplify right side
    38,088,123.65x = 1,065,314,198,841,542.12
  5. Step 5: Solve for x
    x = 1,065,314,198,841,542.12/38,088,123.65
  6. Step 6: Final answer
    x = 27,969,721.18

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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.