Home / 40,732,812.70-61,170,077.85-21,600,936.70

Finding the Fourth Proportional to 40,732,812.70, 61,170,077.85 and 21,600,936.70

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Solution

The fourth proportional to 40,732,812.70, 61,170,077.85 and 21,600,936.70 is: 32,438,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,732,812.70 : 61,170,077.85 = 21,600,936.70 : x
  2. Step 2: Convert to fraction form
    40,732,812.70/61,170,077.85 = 21,600,936.70/x
  3. Step 3: Cross multiply
    40,732,812.70x = 61,170,077.85 × 21,600,936.70
  4. Step 4: Simplify right side
    40,732,812.70x = 1,321,330,979,571,922
  5. Step 5: Solve for x
    x = 1,321,330,979,571,922/40,732,812.70
  6. Step 6: Final answer
    x = 32,438,982.04

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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.