Home / 5,394,404.80-8,091,607.20-5,145,572.80

Finding the Fourth Proportional to 5,394,404.80, 8,091,607.20 and 5,145,572.80

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Solution

The fourth proportional to 5,394,404.80, 8,091,607.20 and 5,145,572.80 is: 7,718,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394,404.80 : 8,091,607.20 = 5,145,572.80 : x
  2. Step 2: Convert to fraction form
    5,394,404.80/8,091,607.20 = 5,145,572.80/x
  3. Step 3: Cross multiply
    5,394,404.80x = 8,091,607.20 × 5,145,572.80
  4. Step 4: Simplify right side
    5,394,404.80x = 41,635,953,916,604.16
  5. Step 5: Solve for x
    x = 41,635,953,916,604.16/5,394,404.80
  6. Step 6: Final answer
    x = 7,718,359.20

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Double scale
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Similar ratio
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1.5x scale

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.