Home / 12,569,939.64-17,345,169.90-8,439,134.04

Finding the Fourth Proportional to 12,569,939.64, 17,345,169.90 and 8,439,134.04

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Solution

The fourth proportional to 12,569,939.64, 17,345,169.90 and 8,439,134.04 is: 11,645,100.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569,939.64 : 17,345,169.90 = 8,439,134.04 : x
  2. Step 2: Convert to fraction form
    12,569,939.64/17,345,169.90 = 8,439,134.04/x
  3. Step 3: Cross multiply
    12,569,939.64x = 17,345,169.90 × 8,439,134.04
  4. Step 4: Simplify right side
    12,569,939.64x = 146,378,213,732,673.38
  5. Step 5: Solve for x
    x = 146,378,213,732,673.38/12,569,939.64
  6. Step 6: Final answer
    x = 11,645,100.77

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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.