Home / 13,162,947.90-19,728,250.69-7,393,553.85

Finding the Fourth Proportional to 13,162,947.90, 19,728,250.69 and 7,393,553.85

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Solution

The fourth proportional to 13,162,947.90, 19,728,250.69 and 7,393,553.85 is: 11,081,247.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,162,947.90 : 19,728,250.69 = 7,393,553.85 : x
  2. Step 2: Convert to fraction form
    13,162,947.90/19,728,250.69 = 7,393,553.85/x
  3. Step 3: Cross multiply
    13,162,947.90x = 19,728,250.69 × 7,393,553.85
  4. Step 4: Simplify right side
    13,162,947.90x = 145,861,883,842,814.66
  5. Step 5: Solve for x
    x = 145,861,883,842,814.66/13,162,947.90
  6. Step 6: Final answer
    x = 11,081,247.53

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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.