Home / 12,791,306.24-17,652,233.40-6,990,332.48

Finding the Fourth Proportional to 12,791,306.24, 17,652,233.40 and 6,990,332.48

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Solution

The fourth proportional to 12,791,306.24, 17,652,233.40 and 6,990,332.48 is: 9,646,784.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791,306.24 : 17,652,233.40 = 6,990,332.48 : x
  2. Step 2: Convert to fraction form
    12,791,306.24/17,652,233.40 = 6,990,332.48/x
  3. Step 3: Cross multiply
    12,791,306.24x = 17,652,233.40 × 6,990,332.48
  4. Step 4: Simplify right side
    12,791,306.24x = 123,394,980,480,560.83
  5. Step 5: Solve for x
    x = 123,394,980,480,560.83/12,791,306.24
  6. Step 6: Final answer
    x = 9,646,784.95

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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.