Home / 20,442,006.56-30,668,925-6,608,670.32

Finding the Fourth Proportional to 20,442,006.56, 30,668,925 and 6,608,670.32

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Solution

The fourth proportional to 20,442,006.56, 30,668,925 and 6,608,670.32 is: 9,914,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,442,006.56 : 30,668,925 = 6,608,670.32 : x
  2. Step 2: Convert to fraction form
    20,442,006.56/30,668,925 = 6,608,670.32/x
  3. Step 3: Cross multiply
    20,442,006.56x = 30,668,925 × 6,608,670.32
  4. Step 4: Simplify right side
    20,442,006.56x = 202,680,814,393,806
  5. Step 5: Solve for x
    x = 202,680,814,393,806/20,442,006.56
  6. Step 6: Final answer
    x = 9,914,917.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.