Home / 8,678,520.10-13,017,780.15-5,655,211.30

Finding the Fourth Proportional to 8,678,520.10, 13,017,780.15 and 5,655,211.30

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Solution

The fourth proportional to 8,678,520.10, 13,017,780.15 and 5,655,211.30 is: 8,482,816.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,520.10 : 13,017,780.15 = 5,655,211.30 : x
  2. Step 2: Convert to fraction form
    8,678,520.10/13,017,780.15 = 5,655,211.30/x
  3. Step 3: Cross multiply
    8,678,520.10x = 13,017,780.15 × 5,655,211.30
  4. Step 4: Simplify right side
    8,678,520.10x = 73,618,297,405,195.69
  5. Step 5: Solve for x
    x = 73,618,297,405,195.69/8,678,520.10
  6. Step 6: Final answer
    x = 8,482,816.95

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Double scale
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Similar ratio
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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.