Home / 8,520,562.85-12,780,957.20-2,840,788.98

Finding the Fourth Proportional to 8,520,562.85, 12,780,957.20 and 2,840,788.98

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Solution

The fourth proportional to 8,520,562.85, 12,780,957.20 and 2,840,788.98 is: 4,261,221.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520,562.85 : 12,780,957.20 = 2,840,788.98 : x
  2. Step 2: Convert to fraction form
    8,520,562.85/12,780,957.20 = 2,840,788.98/x
  3. Step 3: Cross multiply
    8,520,562.85x = 12,780,957.20 × 2,840,788.98
  4. Step 4: Simplify right side
    8,520,562.85x = 36,308,002,353,407.71
  5. Step 5: Solve for x
    x = 36,308,002,353,407.71/8,520,562.85
  6. Step 6: Final answer
    x = 4,261,221.12

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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.