Home / 18,498,429.20-27,747,643.80-5,720,225.60

Finding the Fourth Proportional to 18,498,429.20, 27,747,643.80 and 5,720,225.60

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Solution

The fourth proportional to 18,498,429.20, 27,747,643.80 and 5,720,225.60 is: 8,580,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498,429.20 : 27,747,643.80 = 5,720,225.60 : x
  2. Step 2: Convert to fraction form
    18,498,429.20/27,747,643.80 = 5,720,225.60/x
  3. Step 3: Cross multiply
    18,498,429.20x = 27,747,643.80 × 5,720,225.60
  4. Step 4: Simplify right side
    18,498,429.20x = 158,722,782,404,441.28
  5. Step 5: Solve for x
    x = 158,722,782,404,441.28/18,498,429.20
  6. Step 6: Final answer
    x = 8,580,338.40

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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.