Home / 10,872,287.70-16,290,716.85-8,002,506.30

Finding the Fourth Proportional to 10,872,287.70, 16,290,716.85 and 8,002,506.30

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Solution

The fourth proportional to 10,872,287.70, 16,290,716.85 and 8,002,506.30 is: 11,990,720.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872,287.70 : 16,290,716.85 = 8,002,506.30 : x
  2. Step 2: Convert to fraction form
    10,872,287.70/16,290,716.85 = 8,002,506.30/x
  3. Step 3: Cross multiply
    10,872,287.70x = 16,290,716.85 × 8,002,506.30
  4. Step 4: Simplify right side
    10,872,287.70x = 130,366,564,223,641.16
  5. Step 5: Solve for x
    x = 130,366,564,223,641.16/10,872,287.70
  6. Step 6: Final answer
    x = 11,990,720.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.