Home / 11,178,046.30-16,758,212.10-6,129,356.80

Finding the Fourth Proportional to 11,178,046.30, 16,758,212.10 and 6,129,356.80

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Solution

The fourth proportional to 11,178,046.30, 16,758,212.10 and 6,129,356.80 is: 9,189,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,046.30 : 16,758,212.10 = 6,129,356.80 : x
  2. Step 2: Convert to fraction form
    11,178,046.30/16,758,212.10 = 6,129,356.80/x
  3. Step 3: Cross multiply
    11,178,046.30x = 16,758,212.10 × 6,129,356.80
  4. Step 4: Simplify right side
    11,178,046.30x = 102,717,061,290,977.28
  5. Step 5: Solve for x
    x = 102,717,061,290,977.28/11,178,046.30
  6. Step 6: Final answer
    x = 9,189,178.37

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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.