Home / 20,122,306.20-30,180,737.70-8,000,688.60

Finding the Fourth Proportional to 20,122,306.20, 30,180,737.70 and 8,000,688.60

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Solution

The fourth proportional to 20,122,306.20, 30,180,737.70 and 8,000,688.60 is: 11,999,950.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,122,306.20 : 30,180,737.70 = 8,000,688.60 : x
  2. Step 2: Convert to fraction form
    20,122,306.20/30,180,737.70 = 8,000,688.60/x
  3. Step 3: Cross multiply
    20,122,306.20x = 30,180,737.70 × 8,000,688.60
  4. Step 4: Simplify right side
    20,122,306.20x = 241,466,684,055,980.19
  5. Step 5: Solve for x
    x = 241,466,684,055,980.19/20,122,306.20
  6. Step 6: Final answer
    x = 11,999,950.78

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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.