Home / 21,853,418.81-30,156,927.60-12,063,652.82

Finding the Fourth Proportional to 21,853,418.81, 30,156,927.60 and 12,063,652.82

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Solution

The fourth proportional to 21,853,418.81, 30,156,927.60 and 12,063,652.82 is: 16,647,404.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853,418.81 : 30,156,927.60 = 12,063,652.82 : x
  2. Step 2: Convert to fraction form
    21,853,418.81/30,156,927.60 = 12,063,652.82/x
  3. Step 3: Cross multiply
    21,853,418.81x = 30,156,927.60 × 12,063,652.82
  4. Step 4: Simplify right side
    21,853,418.81x = 363,802,704,684,275.88
  5. Step 5: Solve for x
    x = 363,802,704,684,275.88/21,853,418.81
  6. Step 6: Final answer
    x = 16,647,404.59

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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.