Home / 18,474,932.96-25,489,807.92-12,893,031

Finding the Fourth Proportional to 18,474,932.96, 25,489,807.92 and 12,893,031

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Solution

The fourth proportional to 18,474,932.96, 25,489,807.92 and 12,893,031 is: 17,788,475.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474,932.96 : 25,489,807.92 = 12,893,031 : x
  2. Step 2: Convert to fraction form
    18,474,932.96/25,489,807.92 = 12,893,031/x
  3. Step 3: Cross multiply
    18,474,932.96x = 25,489,807.92 × 12,893,031
  4. Step 4: Simplify right side
    18,474,932.96x = 328,640,883,696,605.56
  5. Step 5: Solve for x
    x = 328,640,883,696,605.56/18,474,932.96
  6. Step 6: Final answer
    x = 17,788,475.03

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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.