Home / 8,121,155.04-12,177,010.80-3,072,854.88

Finding the Fourth Proportional to 8,121,155.04, 12,177,010.80 and 3,072,854.88

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Solution

The fourth proportional to 8,121,155.04, 12,177,010.80 and 3,072,854.88 is: 4,607,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,155.04 : 12,177,010.80 = 3,072,854.88 : x
  2. Step 2: Convert to fraction form
    8,121,155.04/12,177,010.80 = 3,072,854.88/x
  3. Step 3: Cross multiply
    8,121,155.04x = 12,177,010.80 × 3,072,854.88
  4. Step 4: Simplify right side
    8,121,155.04x = 37,418,187,060,592.70
  5. Step 5: Solve for x
    x = 37,418,187,060,592.70/8,121,155.04
  6. Step 6: Final answer
    x = 4,607,495.72

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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.