Home / 18,690,294.87-28,035,255.42-5,910,801.75

Finding the Fourth Proportional to 18,690,294.87, 28,035,255.42 and 5,910,801.75

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Solution

The fourth proportional to 18,690,294.87, 28,035,255.42 and 5,910,801.75 is: 8,866,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690,294.87 : 28,035,255.42 = 5,910,801.75 : x
  2. Step 2: Convert to fraction form
    18,690,294.87/28,035,255.42 = 5,910,801.75/x
  3. Step 3: Cross multiply
    18,690,294.87x = 28,035,255.42 × 5,910,801.75
  4. Step 4: Simplify right side
    18,690,294.87x = 165,710,836,798,233
  5. Step 5: Solve for x
    x = 165,710,836,798,233/18,690,294.87
  6. Step 6: Final answer
    x = 8,866,143.52

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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.