Home / 12,796,909.20-17,565,732.72-11,314,123.20

Finding the Fourth Proportional to 12,796,909.20, 17,565,732.72 and 11,314,123.20

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Solution

The fourth proportional to 12,796,909.20, 17,565,732.72 and 11,314,123.20 is: 15,530,380.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796,909.20 : 17,565,732.72 = 11,314,123.20 : x
  2. Step 2: Convert to fraction form
    12,796,909.20/17,565,732.72 = 11,314,123.20/x
  3. Step 3: Cross multiply
    12,796,909.20x = 17,565,732.72 × 11,314,123.20
  4. Step 4: Simplify right side
    12,796,909.20x = 198,740,864,092,351.06
  5. Step 5: Solve for x
    x = 198,740,864,092,351.06/12,796,909.20
  6. Step 6: Final answer
    x = 15,530,380.11

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.