Home / 20,199,390.95-30,299,086.43-13,822,098.95

Finding the Fourth Proportional to 20,199,390.95, 30,299,086.43 and 13,822,098.95

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Solution

The fourth proportional to 20,199,390.95, 30,299,086.43 and 13,822,098.95 is: 20,733,148.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,390.95 : 30,299,086.43 = 13,822,098.95 : x
  2. Step 2: Convert to fraction form
    20,199,390.95/30,299,086.43 = 13,822,098.95/x
  3. Step 3: Cross multiply
    20,199,390.95x = 30,299,086.43 × 13,822,098.95
  4. Step 4: Simplify right side
    20,199,390.95x = 418,796,970,730,062.25
  5. Step 5: Solve for x
    x = 418,796,970,730,062.25/20,199,390.95
  6. Step 6: Final answer
    x = 20,733,148.43

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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.