Home / 22,040,520.15-30,415,142.05-12,117,330.61

Finding the Fourth Proportional to 22,040,520.15, 30,415,142.05 and 12,117,330.61

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Solution

The fourth proportional to 22,040,520.15, 30,415,142.05 and 12,117,330.61 is: 16,721,489.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,040,520.15 : 30,415,142.05 = 12,117,330.61 : x
  2. Step 2: Convert to fraction form
    22,040,520.15/30,415,142.05 = 12,117,330.61/x
  3. Step 3: Cross multiply
    22,040,520.15x = 30,415,142.05 × 12,117,330.61
  4. Step 4: Simplify right side
    22,040,520.15x = 368,550,331,663,631.94
  5. Step 5: Solve for x
    x = 368,550,331,663,631.94/22,040,520.15
  6. Step 6: Final answer
    x = 16,721,489.74

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1.5x scale

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.