Home / 12,731,693.46-17,573,447.49-8,322,060.18

Finding the Fourth Proportional to 12,731,693.46, 17,573,447.49 and 8,322,060.18

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Solution

The fourth proportional to 12,731,693.46, 17,573,447.49 and 8,322,060.18 is: 11,486,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,693.46 : 17,573,447.49 = 8,322,060.18 : x
  2. Step 2: Convert to fraction form
    12,731,693.46/17,573,447.49 = 8,322,060.18/x
  3. Step 3: Cross multiply
    12,731,693.46x = 17,573,447.49 × 8,322,060.18
  4. Step 4: Simplify right side
    12,731,693.46x = 146,247,287,581,849.94
  5. Step 5: Solve for x
    x = 146,247,287,581,849.94/12,731,693.46
  6. Step 6: Final answer
    x = 11,486,868.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.