Home / 12,674,209.80-17,490,414.18-6,872,990.04

Finding the Fourth Proportional to 12,674,209.80, 17,490,414.18 and 6,872,990.04

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Solution

The fourth proportional to 12,674,209.80, 17,490,414.18 and 6,872,990.04 is: 9,484,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674,209.80 : 17,490,414.18 = 6,872,990.04 : x
  2. Step 2: Convert to fraction form
    12,674,209.80/17,490,414.18 = 6,872,990.04/x
  3. Step 3: Cross multiply
    12,674,209.80x = 17,490,414.18 × 6,872,990.04
  4. Step 4: Simplify right side
    12,674,209.80x = 120,211,442,454,614.77
  5. Step 5: Solve for x
    x = 120,211,442,454,614.77/12,674,209.80
  6. Step 6: Final answer
    x = 9,484,728.78

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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.