Home / 18,689,057.60-28,033,586.40-5,910,562.40

Finding the Fourth Proportional to 18,689,057.60, 28,033,586.40 and 5,910,562.40

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Solution

The fourth proportional to 18,689,057.60, 28,033,586.40 and 5,910,562.40 is: 8,865,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689,057.60 : 28,033,586.40 = 5,910,562.40 : x
  2. Step 2: Convert to fraction form
    18,689,057.60/28,033,586.40 = 5,910,562.40/x
  3. Step 3: Cross multiply
    18,689,057.60x = 28,033,586.40 × 5,910,562.40
  4. Step 4: Simplify right side
    18,689,057.60x = 165,694,261,712,991.38
  5. Step 5: Solve for x
    x = 165,694,261,712,991.38/18,689,057.60
  6. Step 6: Final answer
    x = 8,865,843.60

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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.