Home / 13,743,617.20-20,615,425.80-13,428,689.20

Finding the Fourth Proportional to 13,743,617.20, 20,615,425.80 and 13,428,689.20

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Solution

The fourth proportional to 13,743,617.20, 20,615,425.80 and 13,428,689.20 is: 20,143,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743,617.20 : 20,615,425.80 = 13,428,689.20 : x
  2. Step 2: Convert to fraction form
    13,743,617.20/20,615,425.80 = 13,428,689.20/x
  3. Step 3: Cross multiply
    13,743,617.20x = 20,615,425.80 × 13,428,689.20
  4. Step 4: Simplify right side
    13,743,617.20x = 276,838,145,793,861.34
  5. Step 5: Solve for x
    x = 276,838,145,793,861.34/13,743,617.20
  6. Step 6: Final answer
    x = 20,143,033.80

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1.5x scale

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.