Home / 15,865,932.08-21,894,369.72-8,622,432.56

Finding the Fourth Proportional to 15,865,932.08, 21,894,369.72 and 8,622,432.56

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Solution

The fourth proportional to 15,865,932.08, 21,894,369.72 and 8,622,432.56 is: 11,898,621.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,865,932.08 : 21,894,369.72 = 8,622,432.56 : x
  2. Step 2: Convert to fraction form
    15,865,932.08/21,894,369.72 = 8,622,432.56/x
  3. Step 3: Cross multiply
    15,865,932.08x = 21,894,369.72 × 8,622,432.56
  4. Step 4: Simplify right side
    15,865,932.08x = 188,782,726,354,406.09
  5. Step 5: Solve for x
    x = 188,782,726,354,406.09/15,865,932.08
  6. Step 6: Final answer
    x = 11,898,621.86

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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.