Home / 8,122,318.60-12,178,812.30-2,441,691.40

Finding the Fourth Proportional to 8,122,318.60, 12,178,812.30 and 2,441,691.40

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Solution

The fourth proportional to 8,122,318.60, 12,178,812.30 and 2,441,691.40 is: 3,661,134.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,318.60 : 12,178,812.30 = 2,441,691.40 : x
  2. Step 2: Convert to fraction form
    8,122,318.60/12,178,812.30 = 2,441,691.40/x
  3. Step 3: Cross multiply
    8,122,318.60x = 12,178,812.30 × 2,441,691.40
  4. Step 4: Simplify right side
    8,122,318.60x = 29,736,901,255,124.22
  5. Step 5: Solve for x
    x = 29,736,901,255,124.22/8,122,318.60
  6. Step 6: Final answer
    x = 3,661,134.55

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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.