Home / 20,944,429.20-31,416,643.80-18,173,062.80

Finding the Fourth Proportional to 20,944,429.20, 31,416,643.80 and 18,173,062.80

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Solution

The fourth proportional to 20,944,429.20, 31,416,643.80 and 18,173,062.80 is: 27,259,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,944,429.20 : 31,416,643.80 = 18,173,062.80 : x
  2. Step 2: Convert to fraction form
    20,944,429.20/31,416,643.80 = 18,173,062.80/x
  3. Step 3: Cross multiply
    20,944,429.20x = 31,416,643.80 × 18,173,062.80
  4. Step 4: Simplify right side
    20,944,429.20x = 570,936,640,742,630.62
  5. Step 5: Solve for x
    x = 570,936,640,742,630.62/20,944,429.20
  6. Step 6: Final answer
    x = 27,259,594.20

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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.