Home / 21,853,441.79-30,156,959.24-12,063,675.78

Finding the Fourth Proportional to 21,853,441.79, 30,156,959.24 and 12,063,675.78

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Solution

The fourth proportional to 21,853,441.79, 30,156,959.24 and 12,063,675.78 is: 16,647,436.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853,441.79 : 30,156,959.24 = 12,063,675.78 : x
  2. Step 2: Convert to fraction form
    21,853,441.79/30,156,959.24 = 12,063,675.78/x
  3. Step 3: Cross multiply
    21,853,441.79x = 30,156,959.24 × 12,063,675.78
  4. Step 4: Simplify right side
    21,853,441.79x = 363,803,778,721,716.81
  5. Step 5: Solve for x
    x = 363,803,778,721,716.81/21,853,441.79
  6. Step 6: Final answer
    x = 16,647,436.24

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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.