Home / 8,321,344.20-12,482,016.30-6,977,651.40

Finding the Fourth Proportional to 8,321,344.20, 12,482,016.30 and 6,977,651.40

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Solution

The fourth proportional to 8,321,344.20, 12,482,016.30 and 6,977,651.40 is: 10,466,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,344.20 : 12,482,016.30 = 6,977,651.40 : x
  2. Step 2: Convert to fraction form
    8,321,344.20/12,482,016.30 = 6,977,651.40/x
  3. Step 3: Cross multiply
    8,321,344.20x = 12,482,016.30 × 6,977,651.40
  4. Step 4: Simplify right side
    8,321,344.20x = 87,095,158,510,517.83
  5. Step 5: Solve for x
    x = 87,095,158,510,517.83/8,321,344.20
  6. Step 6: Final answer
    x = 10,466,477.10

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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.