Home / 8,487,215.40-12,730,823.10-3,438,690.60

Finding the Fourth Proportional to 8,487,215.40, 12,730,823.10 and 3,438,690.60

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Solution

The fourth proportional to 8,487,215.40, 12,730,823.10 and 3,438,690.60 is: 5,158,035.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,215.40 : 12,730,823.10 = 3,438,690.60 : x
  2. Step 2: Convert to fraction form
    8,487,215.40/12,730,823.10 = 3,438,690.60/x
  3. Step 3: Cross multiply
    8,487,215.40x = 12,730,823.10 × 3,438,690.60
  4. Step 4: Simplify right side
    8,487,215.40x = 43,777,361,724,232.86
  5. Step 5: Solve for x
    x = 43,777,361,724,232.86/8,487,215.40
  6. Step 6: Final answer
    x = 5,158,035.90

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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.