Home / 13,442,242.80-20,161,031.40-4,918,191.60

Finding the Fourth Proportional to 13,442,242.80, 20,161,031.40 and 4,918,191.60

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Solution

The fourth proportional to 13,442,242.80, 20,161,031.40 and 4,918,191.60 is: 7,376,433.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442,242.80 : 20,161,031.40 = 4,918,191.60 : x
  2. Step 2: Convert to fraction form
    13,442,242.80/20,161,031.40 = 4,918,191.60/x
  3. Step 3: Cross multiply
    13,442,242.80x = 20,161,031.40 × 4,918,191.60
  4. Step 4: Simplify right side
    13,442,242.80x = 99,155,815,278,816.22
  5. Step 5: Solve for x
    x = 99,155,815,278,816.22/13,442,242.80
  6. Step 6: Final answer
    x = 7,376,433.88

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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.