Home / 40,933,419.60-61,358,795.10-20,431,606.80

Finding the Fourth Proportional to 40,933,419.60, 61,358,795.10 and 20,431,606.80

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Solution

The fourth proportional to 40,933,419.60, 61,358,795.10 and 20,431,606.80 is: 30,626,778.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,933,419.60 : 61,358,795.10 = 20,431,606.80 : x
  2. Step 2: Convert to fraction form
    40,933,419.60/61,358,795.10 = 20,431,606.80/x
  3. Step 3: Cross multiply
    40,933,419.60x = 61,358,795.10 × 20,431,606.80
  4. Step 4: Simplify right side
    40,933,419.60x = 1,253,658,775,204,966.75
  5. Step 5: Solve for x
    x = 1,253,658,775,204,966.75/40,933,419.60
  6. Step 6: Final answer
    x = 30,626,778.50

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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.