Home / 8,257,306.86-12,386,288.34-2,577,531.78

Finding the Fourth Proportional to 8,257,306.86, 12,386,288.34 and 2,577,531.78

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Solution

The fourth proportional to 8,257,306.86, 12,386,288.34 and 2,577,531.78 is: 3,866,400.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257,306.86 : 12,386,288.34 = 2,577,531.78 : x
  2. Step 2: Convert to fraction form
    8,257,306.86/12,386,288.34 = 2,577,531.78/x
  3. Step 3: Cross multiply
    8,257,306.86x = 12,386,288.34 × 2,577,531.78
  4. Step 4: Simplify right side
    8,257,306.86x = 31,926,051,832,593.44
  5. Step 5: Solve for x
    x = 31,926,051,832,593.44/8,257,306.86
  6. Step 6: Final answer
    x = 3,866,400.07

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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.