Home / 11,885,217.12-16,416,442.08-9,164,939.04

Finding the Fourth Proportional to 11,885,217.12, 16,416,442.08 and 9,164,939.04

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Solution

The fourth proportional to 11,885,217.12, 16,416,442.08 and 9,164,939.04 is: 12,659,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885,217.12 : 16,416,442.08 = 9,164,939.04 : x
  2. Step 2: Convert to fraction form
    11,885,217.12/16,416,442.08 = 9,164,939.04/x
  3. Step 3: Cross multiply
    11,885,217.12x = 16,416,442.08 × 9,164,939.04
  4. Step 4: Simplify right side
    11,885,217.12x = 150,455,690,916,890.78
  5. Step 5: Solve for x
    x = 150,455,690,916,890.78/11,885,217.12
  6. Step 6: Final answer
    x = 12,659,061.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.