Home / 21,853,407.86-30,156,912.51-12,063,641.85

Finding the Fourth Proportional to 21,853,407.86, 30,156,912.51 and 12,063,641.85

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Solution

The fourth proportional to 21,853,407.86, 30,156,912.51 and 12,063,641.85 is: 16,647,389.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853,407.86 : 30,156,912.51 = 12,063,641.85 : x
  2. Step 2: Convert to fraction form
    21,853,407.86/30,156,912.51 = 12,063,641.85/x
  3. Step 3: Cross multiply
    21,853,407.86x = 30,156,912.51 × 12,063,641.85
  4. Step 4: Simplify right side
    21,853,407.86x = 363,802,191,845,043.88
  5. Step 5: Solve for x
    x = 363,802,191,845,043.88/21,853,407.86
  6. Step 6: Final answer
    x = 16,647,389.47

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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.