Home / 15,195,364.92-20,969,610.06-8,226,042.28

Finding the Fourth Proportional to 15,195,364.92, 20,969,610.06 and 8,226,042.28

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Solution

The fourth proportional to 15,195,364.92, 20,969,610.06 and 8,226,042.28 is: 11,351,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,195,364.92 : 20,969,610.06 = 8,226,042.28 : x
  2. Step 2: Convert to fraction form
    15,195,364.92/20,969,610.06 = 8,226,042.28/x
  3. Step 3: Cross multiply
    15,195,364.92x = 20,969,610.06 × 8,226,042.28
  4. Step 4: Simplify right side
    15,195,364.92x = 172,496,898,927,096.97
  5. Step 5: Solve for x
    x = 172,496,898,927,096.97/15,195,364.92
  6. Step 6: Final answer
    x = 11,351,941.85

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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.