Home / 38,653,127.20-57,986,689.20-19,435,520.80

Finding the Fourth Proportional to 38,653,127.20, 57,986,689.20 and 19,435,520.80

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Solution

The fourth proportional to 38,653,127.20, 57,986,689.20 and 19,435,520.80 is: 29,156,800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,653,127.20 : 57,986,689.20 = 19,435,520.80 : x
  2. Step 2: Convert to fraction form
    38,653,127.20/57,986,689.20 = 19,435,520.80/x
  3. Step 3: Cross multiply
    38,653,127.20x = 57,986,689.20 × 19,435,520.80
  4. Step 4: Simplify right side
    38,653,127.20x = 1,127,001,504,069,735.50
  5. Step 5: Solve for x
    x = 1,127,001,504,069,735.50/38,653,127.20
  6. Step 6: Final answer
    x = 29,156,800.13

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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.