Home / 8,412,280.57-12,613,366.95-3,288,608.02

Finding the Fourth Proportional to 8,412,280.57, 12,613,366.95 and 3,288,608.02

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Solution

The fourth proportional to 8,412,280.57, 12,613,366.95 and 3,288,608.02 is: 4,930,936.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412,280.57 : 12,613,366.95 = 3,288,608.02 : x
  2. Step 2: Convert to fraction form
    8,412,280.57/12,613,366.95 = 3,288,608.02/x
  3. Step 3: Cross multiply
    8,412,280.57x = 12,613,366.95 × 3,288,608.02
  4. Step 4: Simplify right side
    8,412,280.57x = 41,480,419,710,972.94
  5. Step 5: Solve for x
    x = 41,480,419,710,972.94/8,412,280.57
  6. Step 6: Final answer
    x = 4,930,936.31

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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.