Home / 7,739,680.20-11,609,520.30-7,261,383.30

Finding the Fourth Proportional to 7,739,680.20, 11,609,520.30 and 7,261,383.30

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Solution

The fourth proportional to 7,739,680.20, 11,609,520.30 and 7,261,383.30 is: 10,892,074.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739,680.20 : 11,609,520.30 = 7,261,383.30 : x
  2. Step 2: Convert to fraction form
    7,739,680.20/11,609,520.30 = 7,261,383.30/x
  3. Step 3: Cross multiply
    7,739,680.20x = 11,609,520.30 × 7,261,383.30
  4. Step 4: Simplify right side
    7,739,680.20x = 84,301,176,827,431
  5. Step 5: Solve for x
    x = 84,301,176,827,431/7,739,680.20
  6. Step 6: Final answer
    x = 10,892,074.95

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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.