Home / 16,489,493.70-24,727,242.15-7,972,440.90

Finding the Fourth Proportional to 16,489,493.70, 24,727,242.15 and 7,972,440.90

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Solution

The fourth proportional to 16,489,493.70, 24,727,242.15 and 7,972,440.90 is: 11,955,277.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489,493.70 : 24,727,242.15 = 7,972,440.90 : x
  2. Step 2: Convert to fraction form
    16,489,493.70/24,727,242.15 = 7,972,440.90/x
  3. Step 3: Cross multiply
    16,489,493.70x = 24,727,242.15 × 7,972,440.90
  4. Step 4: Simplify right side
    16,489,493.70x = 197,136,476,660,863.94
  5. Step 5: Solve for x
    x = 197,136,476,660,863.94/16,489,493.70
  6. Step 6: Final answer
    x = 11,955,277.72

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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.