Home / 10,221,406.70-15,332,110.05-7,670,489.90

Finding the Fourth Proportional to 10,221,406.70, 15,332,110.05 and 7,670,489.90

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Solution

The fourth proportional to 10,221,406.70, 15,332,110.05 and 7,670,489.90 is: 11,505,734.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221,406.70 : 15,332,110.05 = 7,670,489.90 : x
  2. Step 2: Convert to fraction form
    10,221,406.70/15,332,110.05 = 7,670,489.90/x
  3. Step 3: Cross multiply
    10,221,406.70x = 15,332,110.05 × 7,670,489.90
  4. Step 4: Simplify right side
    10,221,406.70x = 117,604,795,284,213.50
  5. Step 5: Solve for x
    x = 117,604,795,284,213.50/10,221,406.70
  6. Step 6: Final answer
    x = 11,505,734.85

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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.