Home / 38,862,761.40-58,294,142.10-18,663,132.60

Finding the Fourth Proportional to 38,862,761.40, 58,294,142.10 and 18,663,132.60

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Solution

The fourth proportional to 38,862,761.40, 58,294,142.10 and 18,663,132.60 is: 27,994,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,862,761.40 : 58,294,142.10 = 18,663,132.60 : x
  2. Step 2: Convert to fraction form
    38,862,761.40/58,294,142.10 = 18,663,132.60/x
  3. Step 3: Cross multiply
    38,862,761.40x = 58,294,142.10 × 18,663,132.60
  4. Step 4: Simplify right side
    38,862,761.40x = 1,087,951,303,815,542.62
  5. Step 5: Solve for x
    x = 1,087,951,303,815,542.62/38,862,761.40
  6. Step 6: Final answer
    x = 27,994,698.90

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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.