Home / 15,141,213.95-20,894,960.12-8,614,843.25

Finding the Fourth Proportional to 15,141,213.95, 20,894,960.12 and 8,614,843.25

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Solution

The fourth proportional to 15,141,213.95, 20,894,960.12 and 8,614,843.25 is: 11,888,531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141,213.95 : 20,894,960.12 = 8,614,843.25 : x
  2. Step 2: Convert to fraction form
    15,141,213.95/20,894,960.12 = 8,614,843.25/x
  3. Step 3: Cross multiply
    15,141,213.95x = 20,894,960.12 × 8,614,843.25
  4. Step 4: Simplify right side
    15,141,213.95x = 180,006,806,148,801.19
  5. Step 5: Solve for x
    x = 180,006,806,148,801.19/15,141,213.95
  6. Step 6: Final answer
    x = 11,888,531.97

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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.