Home / 7,680,144.60-11,520,216.90-7,352,515.80

Finding the Fourth Proportional to 7,680,144.60, 11,520,216.90 and 7,352,515.80

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Solution

The fourth proportional to 7,680,144.60, 11,520,216.90 and 7,352,515.80 is: 11,028,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,144.60 : 11,520,216.90 = 7,352,515.80 : x
  2. Step 2: Convert to fraction form
    7,680,144.60/11,520,216.90 = 7,352,515.80/x
  3. Step 3: Cross multiply
    7,680,144.60x = 11,520,216.90 × 7,352,515.80
  4. Step 4: Simplify right side
    7,680,144.60x = 84,702,576,776,677.02
  5. Step 5: Solve for x
    x = 84,702,576,776,677.02/7,680,144.60
  6. Step 6: Final answer
    x = 11,028,773.70

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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.