Home / 21,987,007.88-30,342,629.30-12,063,887.95

Finding the Fourth Proportional to 21,987,007.88, 30,342,629.30 and 12,063,887.95

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Solution

The fourth proportional to 21,987,007.88, 30,342,629.30 and 12,063,887.95 is: 16,648,471.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,987,007.88 : 30,342,629.30 = 12,063,887.95 : x
  2. Step 2: Convert to fraction form
    21,987,007.88/30,342,629.30 = 12,063,887.95/x
  3. Step 3: Cross multiply
    21,987,007.88x = 30,342,629.30 × 12,063,887.95
  4. Step 4: Simplify right side
    21,987,007.88x = 366,050,079,983,586.94
  5. Step 5: Solve for x
    x = 366,050,079,983,586.94/21,987,007.88
  6. Step 6: Final answer
    x = 16,648,471.77

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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.