Home / 18,144,612.20-27,216,918.30-4,681,440.20

Finding the Fourth Proportional to 18,144,612.20, 27,216,918.30 and 4,681,440.20

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Solution

The fourth proportional to 18,144,612.20, 27,216,918.30 and 4,681,440.20 is: 7,022,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,612.20 : 27,216,918.30 = 4,681,440.20 : x
  2. Step 2: Convert to fraction form
    18,144,612.20/27,216,918.30 = 4,681,440.20/x
  3. Step 3: Cross multiply
    18,144,612.20x = 27,216,918.30 × 4,681,440.20
  4. Step 4: Simplify right side
    18,144,612.20x = 127,414,375,449,735.67
  5. Step 5: Solve for x
    x = 127,414,375,449,735.67/18,144,612.20
  6. Step 6: Final answer
    x = 7,022,160.30

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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.