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Finding the Fourth Proportional to 8,353,331.83, 12,510,566.93 and 8,123,471.30

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Solution

The fourth proportional to 8,353,331.83, 12,510,566.93 and 8,123,471.30 is: 12,166,310.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353,331.83 : 12,510,566.93 = 8,123,471.30 : x
  2. Step 2: Convert to fraction form
    8,353,331.83/12,510,566.93 = 8,123,471.30/x
  3. Step 3: Cross multiply
    8,353,331.83x = 12,510,566.93 × 8,123,471.30
  4. Step 4: Simplify right side
    8,353,331.83x = 101,629,231,414,666.97
  5. Step 5: Solve for x
    x = 101,629,231,414,666.97/8,353,331.83
  6. Step 6: Final answer
    x = 12,166,310.81

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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.