Home / 12,731,990.92-19,098,620.70-3,635,437.96

Finding the Fourth Proportional to 12,731,990.92, 19,098,620.70 and 3,635,437.96

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Solution

The fourth proportional to 12,731,990.92, 19,098,620.70 and 3,635,437.96 is: 5,453,338.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,990.92 : 19,098,620.70 = 3,635,437.96 : x
  2. Step 2: Convert to fraction form
    12,731,990.92/19,098,620.70 = 3,635,437.96/x
  3. Step 3: Cross multiply
    12,731,990.92x = 19,098,620.70 × 3,635,437.96
  4. Step 4: Simplify right side
    12,731,990.92x = 69,431,850,676,421.77
  5. Step 5: Solve for x
    x = 69,431,850,676,421.77/12,731,990.92
  6. Step 6: Final answer
    x = 5,453,338.06

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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.