Home / 8,448,000.80-12,672,001.20-8,261,376.80

Finding the Fourth Proportional to 8,448,000.80, 12,672,001.20 and 8,261,376.80

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Solution

The fourth proportional to 8,448,000.80, 12,672,001.20 and 8,261,376.80 is: 12,392,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448,000.80 : 12,672,001.20 = 8,261,376.80 : x
  2. Step 2: Convert to fraction form
    8,448,000.80/12,672,001.20 = 8,261,376.80/x
  3. Step 3: Cross multiply
    8,448,000.80x = 12,672,001.20 × 8,261,376.80
  4. Step 4: Simplify right side
    8,448,000.80x = 104,688,176,723,252.16
  5. Step 5: Solve for x
    x = 104,688,176,723,252.16/8,448,000.80
  6. Step 6: Final answer
    x = 12,392,065.20

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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.