Home / 12,375,625.77-17,078,106.20-6,868,677.56

Finding the Fourth Proportional to 12,375,625.77, 17,078,106.20 and 6,868,677.56

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Solution

The fourth proportional to 12,375,625.77, 17,078,106.20 and 6,868,677.56 is: 9,478,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375,625.77 : 17,078,106.20 = 6,868,677.56 : x
  2. Step 2: Convert to fraction form
    12,375,625.77/17,078,106.20 = 6,868,677.56/x
  3. Step 3: Cross multiply
    12,375,625.77x = 17,078,106.20 × 6,868,677.56
  4. Step 4: Simplify right side
    12,375,625.77x = 117,304,004,703,502.95
  5. Step 5: Solve for x
    x = 117,304,004,703,502.95/12,375,625.77
  6. Step 6: Final answer
    x = 9,478,632.18

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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.