Home / 8,298,329.10-12,447,493.65-7,660,599.90

Finding the Fourth Proportional to 8,298,329.10, 12,447,493.65 and 7,660,599.90

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Solution

The fourth proportional to 8,298,329.10, 12,447,493.65 and 7,660,599.90 is: 11,490,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298,329.10 : 12,447,493.65 = 7,660,599.90 : x
  2. Step 2: Convert to fraction form
    8,298,329.10/12,447,493.65 = 7,660,599.90/x
  3. Step 3: Cross multiply
    8,298,329.10x = 12,447,493.65 × 7,660,599.90
  4. Step 4: Simplify right side
    8,298,329.10x = 95,355,268,610,440.64
  5. Step 5: Solve for x
    x = 95,355,268,610,440.64/8,298,329.10
  6. Step 6: Final answer
    x = 11,490,899.85

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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.