Home / 15,135,480.10-20,898,863.49-12,185,927.83

Finding the Fourth Proportional to 15,135,480.10, 20,898,863.49 and 12,185,927.83

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Solution

The fourth proportional to 15,135,480.10, 20,898,863.49 and 12,185,927.83 is: 16,826,162.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135,480.10 : 20,898,863.49 = 12,185,927.83 : x
  2. Step 2: Convert to fraction form
    15,135,480.10/20,898,863.49 = 12,185,927.83/x
  3. Step 3: Cross multiply
    15,135,480.10x = 20,898,863.49 × 12,185,927.83
  4. Step 4: Simplify right side
    15,135,480.10x = 254,672,042,218,161.91
  5. Step 5: Solve for x
    x = 254,672,042,218,161.91/15,135,480.10
  6. Step 6: Final answer
    x = 16,826,162.14

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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.