Home / 20,229,739.20-30,344,608.80-11,584,965.60

Finding the Fourth Proportional to 20,229,739.20, 30,344,608.80 and 11,584,965.60

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Solution

The fourth proportional to 20,229,739.20, 30,344,608.80 and 11,584,965.60 is: 17,377,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,739.20 : 30,344,608.80 = 11,584,965.60 : x
  2. Step 2: Convert to fraction form
    20,229,739.20/30,344,608.80 = 11,584,965.60/x
  3. Step 3: Cross multiply
    20,229,739.20x = 30,344,608.80 × 11,584,965.60
  4. Step 4: Simplify right side
    20,229,739.20x = 351,541,249,093,457.25
  5. Step 5: Solve for x
    x = 351,541,249,093,457.25/20,229,739.20
  6. Step 6: Final answer
    x = 17,377,448.40

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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.