Home / 40,933,420.60-61,358,796.60-20,431,607.80

Finding the Fourth Proportional to 40,933,420.60, 61,358,796.60 and 20,431,607.80

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Solution

The fourth proportional to 40,933,420.60, 61,358,796.60 and 20,431,607.80 is: 30,626,780.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,933,420.60 : 61,358,796.60 = 20,431,607.80 : x
  2. Step 2: Convert to fraction form
    40,933,420.60/61,358,796.60 = 20,431,607.80/x
  3. Step 3: Cross multiply
    40,933,420.60x = 61,358,796.60 × 20,431,607.80
  4. Step 4: Simplify right side
    40,933,420.60x = 1,253,658,867,211,173.50
  5. Step 5: Solve for x
    x = 1,253,658,867,211,173.50/40,933,420.60
  6. Step 6: Final answer
    x = 30,626,780.00

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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.