Home / 48,340,007.20-72,510,010.80-19,587,080.80

Finding the Fourth Proportional to 48,340,007.20, 72,510,010.80 and 19,587,080.80

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Solution

The fourth proportional to 48,340,007.20, 72,510,010.80 and 19,587,080.80 is: 29,380,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,340,007.20 : 72,510,010.80 = 19,587,080.80 : x
  2. Step 2: Convert to fraction form
    48,340,007.20/72,510,010.80 = 19,587,080.80/x
  3. Step 3: Cross multiply
    48,340,007.20x = 72,510,010.80 × 19,587,080.80
  4. Step 4: Simplify right side
    48,340,007.20x = 1,420,259,440,348,472.75
  5. Step 5: Solve for x
    x = 1,420,259,440,348,472.75/48,340,007.20
  6. Step 6: Final answer
    x = 29,380,621.20

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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.