Home / 20,608,242.55-30,915,928.53-6,961,488.30

Finding the Fourth Proportional to 20,608,242.55, 30,915,928.53 and 6,961,488.30

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Solution

The fourth proportional to 20,608,242.55, 30,915,928.53 and 6,961,488.30 is: 10,443,436.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608,242.55 : 30,915,928.53 = 6,961,488.30 : x
  2. Step 2: Convert to fraction form
    20,608,242.55/30,915,928.53 = 6,961,488.30/x
  3. Step 3: Cross multiply
    20,608,242.55x = 30,915,928.53 × 6,961,488.30
  4. Step 4: Simplify right side
    20,608,242.55x = 215,220,874,745,231.19
  5. Step 5: Solve for x
    x = 215,220,874,745,231.19/20,608,242.55
  6. Step 6: Final answer
    x = 10,443,436.61

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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.