Home / 8,487,025.40-12,730,538.10-3,438,500.60

Finding the Fourth Proportional to 8,487,025.40, 12,730,538.10 and 3,438,500.60

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Solution

The fourth proportional to 8,487,025.40, 12,730,538.10 and 3,438,500.60 is: 5,157,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,025.40 : 12,730,538.10 = 3,438,500.60 : x
  2. Step 2: Convert to fraction form
    8,487,025.40/12,730,538.10 = 3,438,500.60/x
  3. Step 3: Cross multiply
    8,487,025.40x = 12,730,538.10 × 3,438,500.60
  4. Step 4: Simplify right side
    8,487,025.40x = 43,773,962,895,172.86
  5. Step 5: Solve for x
    x = 43,773,962,895,172.86/8,487,025.40
  6. Step 6: Final answer
    x = 5,157,750.90

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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.