Home / 13,852,005.32-20,676,568.06-12,215,790.38

Finding the Fourth Proportional to 13,852,005.32, 20,676,568.06 and 12,215,790.38

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Solution

The fourth proportional to 13,852,005.32, 20,676,568.06 and 12,215,790.38 is: 18,234,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852,005.32 : 20,676,568.06 = 12,215,790.38 : x
  2. Step 2: Convert to fraction form
    13,852,005.32/20,676,568.06 = 12,215,790.38/x
  3. Step 3: Cross multiply
    13,852,005.32x = 20,676,568.06 × 12,215,790.38
  4. Step 4: Simplify right side
    13,852,005.32x = 252,580,621,198,763.25
  5. Step 5: Solve for x
    x = 252,580,621,198,763.25/13,852,005.32
  6. Step 6: Final answer
    x = 18,234,227.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.