Home / 39,288,659.69-54,218,400.43-21,406,795.43

Finding the Fourth Proportional to 39,288,659.69, 54,218,400.43 and 21,406,795.43

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Solution

The fourth proportional to 39,288,659.69, 54,218,400.43 and 21,406,795.43 is: 29,541,404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,288,659.69 : 54,218,400.43 = 21,406,795.43 : x
  2. Step 2: Convert to fraction form
    39,288,659.69/54,218,400.43 = 21,406,795.43/x
  3. Step 3: Cross multiply
    39,288,659.69x = 54,218,400.43 × 21,406,795.43
  4. Step 4: Simplify right side
    39,288,659.69x = 1,160,642,206,505,819.50
  5. Step 5: Solve for x
    x = 1,160,642,206,505,819.50/39,288,659.69
  6. Step 6: Final answer
    x = 29,541,404.97

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