Home / 8,291,706.20-12,437,559.30-7,414,828.55

Finding the Fourth Proportional to 8,291,706.20, 12,437,559.30 and 7,414,828.55

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Solution

The fourth proportional to 8,291,706.20, 12,437,559.30 and 7,414,828.55 is: 11,122,242.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291,706.20 : 12,437,559.30 = 7,414,828.55 : x
  2. Step 2: Convert to fraction form
    8,291,706.20/12,437,559.30 = 7,414,828.55/x
  3. Step 3: Cross multiply
    8,291,706.20x = 12,437,559.30 × 7,414,828.55
  4. Step 4: Simplify right side
    8,291,706.20x = 92,222,369,789,958.02
  5. Step 5: Solve for x
    x = 92,222,369,789,958.02/8,291,706.20
  6. Step 6: Final answer
    x = 11,122,242.83

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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.