Home / 38,636,689.20-57,962,032.20-19,419,082.80

Finding the Fourth Proportional to 38,636,689.20, 57,962,032.20 and 19,419,082.80

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Solution

The fourth proportional to 38,636,689.20, 57,962,032.20 and 19,419,082.80 is: 29,132,141.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,636,689.20 : 57,962,032.20 = 19,419,082.80 : x
  2. Step 2: Convert to fraction form
    38,636,689.20/57,962,032.20 = 19,419,082.80/x
  3. Step 3: Cross multiply
    38,636,689.20x = 57,962,032.20 × 19,419,082.80
  4. Step 4: Simplify right side
    38,636,689.20x = 1,125,569,502,548,066.25
  5. Step 5: Solve for x
    x = 1,125,569,502,548,066.25/38,636,689.20
  6. Step 6: Final answer
    x = 29,132,141.65

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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.