Home / 8,267,771.20-12,373,663.20-7,260,001.60

Finding the Fourth Proportional to 8,267,771.20, 12,373,663.20 and 7,260,001.60

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Solution

The fourth proportional to 8,267,771.20, 12,373,663.20 and 7,260,001.60 is: 10,865,420.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267,771.20 : 12,373,663.20 = 7,260,001.60 : x
  2. Step 2: Convert to fraction form
    8,267,771.20/12,373,663.20 = 7,260,001.60/x
  3. Step 3: Cross multiply
    8,267,771.20x = 12,373,663.20 × 7,260,001.60
  4. Step 4: Simplify right side
    8,267,771.20x = 89,832,814,629,861.11
  5. Step 5: Solve for x
    x = 89,832,814,629,861.11/8,267,771.20
  6. Step 6: Final answer
    x = 10,865,420.98

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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.