Home / 18,690,288.16-28,035,245.28-5,910,795.04

Finding the Fourth Proportional to 18,690,288.16, 28,035,245.28 and 5,910,795.04

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Solution

The fourth proportional to 18,690,288.16, 28,035,245.28 and 5,910,795.04 is: 8,866,133.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690,288.16 : 28,035,245.28 = 5,910,795.04 : x
  2. Step 2: Convert to fraction form
    18,690,288.16/28,035,245.28 = 5,910,795.04/x
  3. Step 3: Cross multiply
    18,690,288.16x = 28,035,245.28 × 5,910,795.04
  4. Step 4: Simplify right side
    18,690,288.16x = 165,710,588,746,207.41
  5. Step 5: Solve for x
    x = 165,710,588,746,207.41/18,690,288.16
  6. Step 6: Final answer
    x = 8,866,133.43

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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.