Home / 8,253,842.49-12,380,751.59-5,413,289.13

Finding the Fourth Proportional to 8,253,842.49, 12,380,751.59 and 5,413,289.13

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Solution

The fourth proportional to 8,253,842.49, 12,380,751.59 and 5,413,289.13 is: 8,119,925.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253,842.49 : 12,380,751.59 = 5,413,289.13 : x
  2. Step 2: Convert to fraction form
    8,253,842.49/12,380,751.59 = 5,413,289.13/x
  3. Step 3: Cross multiply
    8,253,842.49x = 12,380,751.59 × 5,413,289.13
  4. Step 4: Simplify right side
    8,253,842.49x = 67,020,587,976,310.77
  5. Step 5: Solve for x
    x = 67,020,587,976,310.77/8,253,842.49
  6. Step 6: Final answer
    x = 8,119,925.73

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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.