Home / 18,677,481.30-28,017,061.18-5,722,682.85

Finding the Fourth Proportional to 18,677,481.30, 28,017,061.18 and 5,722,682.85

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Solution

The fourth proportional to 18,677,481.30, 28,017,061.18 and 5,722,682.85 is: 8,584,281.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677,481.30 : 28,017,061.18 = 5,722,682.85 : x
  2. Step 2: Convert to fraction form
    18,677,481.30/28,017,061.18 = 5,722,682.85/x
  3. Step 3: Cross multiply
    18,677,481.30x = 28,017,061.18 × 5,722,682.85
  4. Step 4: Simplify right side
    18,677,481.30x = 160,332,755,507,880.03
  5. Step 5: Solve for x
    x = 160,332,755,507,880.03/18,677,481.30
  6. Step 6: Final answer
    x = 8,584,281.41

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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.