Home / 29,147,212.80-43,720,819.20-13,997,491.20

Finding the Fourth Proportional to 29,147,212.80, 43,720,819.20 and 13,997,491.20

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Solution

The fourth proportional to 29,147,212.80, 43,720,819.20 and 13,997,491.20 is: 20,996,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147,212.80 : 43,720,819.20 = 13,997,491.20 : x
  2. Step 2: Convert to fraction form
    29,147,212.80/43,720,819.20 = 13,997,491.20/x
  3. Step 3: Cross multiply
    29,147,212.80x = 43,720,819.20 × 13,997,491.20
  4. Step 4: Simplify right side
    29,147,212.80x = 611,981,782,008,791
  5. Step 5: Solve for x
    x = 611,981,782,008,791/29,147,212.80
  6. Step 6: Final answer
    x = 20,996,236.80

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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.