Home / 8,149,846.60-12,224,769.90-7,338,032.20

Finding the Fourth Proportional to 8,149,846.60, 12,224,769.90 and 7,338,032.20

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Solution

The fourth proportional to 8,149,846.60, 12,224,769.90 and 7,338,032.20 is: 11,007,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149,846.60 : 12,224,769.90 = 7,338,032.20 : x
  2. Step 2: Convert to fraction form
    8,149,846.60/12,224,769.90 = 7,338,032.20/x
  3. Step 3: Cross multiply
    8,149,846.60x = 12,224,769.90 × 7,338,032.20
  4. Step 4: Simplify right side
    8,149,846.60x = 89,705,755,163,790.78
  5. Step 5: Solve for x
    x = 89,705,755,163,790.78/8,149,846.60
  6. Step 6: Final answer
    x = 11,007,048.30

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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.