Home / 10,512,729.73-15,769,220.96-4,125,989.89

Finding the Fourth Proportional to 10,512,729.73, 15,769,220.96 and 4,125,989.89

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Solution

The fourth proportional to 10,512,729.73, 15,769,220.96 and 4,125,989.89 is: 6,189,034.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512,729.73 : 15,769,220.96 = 4,125,989.89 : x
  2. Step 2: Convert to fraction form
    10,512,729.73/15,769,220.96 = 4,125,989.89/x
  3. Step 3: Cross multiply
    10,512,729.73x = 15,769,220.96 × 4,125,989.89
  4. Step 4: Simplify right side
    10,512,729.73x = 65,063,646,233,506.15
  5. Step 5: Solve for x
    x = 65,063,646,233,506.15/10,512,729.73
  6. Step 6: Final answer
    x = 6,189,034.43

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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.