Home / 8,280,699.28-12,422,397.26-2,445,475.28

Finding the Fourth Proportional to 8,280,699.28, 12,422,397.26 and 2,445,475.28

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Solution

The fourth proportional to 8,280,699.28, 12,422,397.26 and 2,445,475.28 is: 3,668,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280,699.28 : 12,422,397.26 = 2,445,475.28 : x
  2. Step 2: Convert to fraction form
    8,280,699.28/12,422,397.26 = 2,445,475.28/x
  3. Step 3: Cross multiply
    8,280,699.28x = 12,422,397.26 × 2,445,475.28
  4. Step 4: Simplify right side
    8,280,699.28x = 30,378,665,361,671.43
  5. Step 5: Solve for x
    x = 30,378,665,361,671.43/8,280,699.28
  6. Step 6: Final answer
    x = 3,668,611.11

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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.