Home / 8,321,367.80-12,482,051.70-7,103,646.20

Finding the Fourth Proportional to 8,321,367.80, 12,482,051.70 and 7,103,646.20

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Solution

The fourth proportional to 8,321,367.80, 12,482,051.70 and 7,103,646.20 is: 10,655,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,367.80 : 12,482,051.70 = 7,103,646.20 : x
  2. Step 2: Convert to fraction form
    8,321,367.80/12,482,051.70 = 7,103,646.20/x
  3. Step 3: Cross multiply
    8,321,367.80x = 12,482,051.70 × 7,103,646.20
  4. Step 4: Simplify right side
    8,321,367.80x = 88,668,079,126,908.53
  5. Step 5: Solve for x
    x = 88,668,079,126,908.53/8,321,367.80
  6. Step 6: Final answer
    x = 10,655,469.30

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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.