Home / 8,387,890.61-12,581,868.71-2,552,134.43

Finding the Fourth Proportional to 8,387,890.61, 12,581,868.71 and 2,552,134.43

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Solution

The fourth proportional to 8,387,890.61, 12,581,868.71 and 2,552,134.43 is: 3,828,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387,890.61 : 12,581,868.71 = 2,552,134.43 : x
  2. Step 2: Convert to fraction form
    8,387,890.61/12,581,868.71 = 2,552,134.43/x
  3. Step 3: Cross multiply
    8,387,890.61x = 12,581,868.71 × 2,552,134.43
  4. Step 4: Simplify right side
    8,387,890.61x = 32,110,620,366,365.70
  5. Step 5: Solve for x
    x = 32,110,620,366,365.70/8,387,890.61
  6. Step 6: Final answer
    x = 3,828,211.63

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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.