Home / 39,321,561.62-54,265,592.31-21,918,032.84

Finding the Fourth Proportional to 39,321,561.62, 54,265,592.31 and 21,918,032.84

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Solution

The fourth proportional to 39,321,561.62, 54,265,592.31 and 21,918,032.84 is: 30,247,909.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,321,561.62 : 54,265,592.31 = 21,918,032.84 : x
  2. Step 2: Convert to fraction form
    39,321,561.62/54,265,592.31 = 21,918,032.84/x
  3. Step 3: Cross multiply
    39,321,561.62x = 54,265,592.31 × 21,918,032.84
  4. Step 4: Simplify right side
    39,321,561.62x = 1,189,395,034,332,631.50
  5. Step 5: Solve for x
    x = 1,189,395,034,332,631.50/39,321,561.62
  6. Step 6: Final answer
    x = 30,247,909.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.