Home / 17,745,972.40-26,629,456.20-12,941,570.80

Finding the Fourth Proportional to 17,745,972.40, 26,629,456.20 and 12,941,570.80

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Solution

The fourth proportional to 17,745,972.40, 26,629,456.20 and 12,941,570.80 is: 19,420,011.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745,972.40 : 26,629,456.20 = 12,941,570.80 : x
  2. Step 2: Convert to fraction form
    17,745,972.40/26,629,456.20 = 12,941,570.80/x
  3. Step 3: Cross multiply
    17,745,972.40x = 26,629,456.20 × 12,941,570.80
  4. Step 4: Simplify right side
    17,745,972.40x = 344,626,992,777,799
  5. Step 5: Solve for x
    x = 344,626,992,777,799/17,745,972.40
  6. Step 6: Final answer
    x = 19,420,011.76

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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.