Home / 8,522,835.83-12,784,253.76-3,129,152.55

Finding the Fourth Proportional to 8,522,835.83, 12,784,253.76 and 3,129,152.55

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Solution

The fourth proportional to 8,522,835.83, 12,784,253.76 and 3,129,152.55 is: 4,693,728.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522,835.83 : 12,784,253.76 = 3,129,152.55 : x
  2. Step 2: Convert to fraction form
    8,522,835.83/12,784,253.76 = 3,129,152.55/x
  3. Step 3: Cross multiply
    8,522,835.83x = 12,784,253.76 × 3,129,152.55
  4. Step 4: Simplify right side
    8,522,835.83x = 40,003,880,205,010.14
  5. Step 5: Solve for x
    x = 40,003,880,205,010.14/8,522,835.83
  6. Step 6: Final answer
    x = 4,693,728.83

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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.