Home / 28,434,008-39,198,118.56-20,271,074.24

Finding the Fourth Proportional to 28,434,008, 39,198,118.56 and 20,271,074.24

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Solution

The fourth proportional to 28,434,008, 39,198,118.56 and 20,271,074.24 is: 27,944,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,434,008 : 39,198,118.56 = 20,271,074.24 : x
  2. Step 2: Convert to fraction form
    28,434,008/39,198,118.56 = 20,271,074.24/x
  3. Step 3: Cross multiply
    28,434,008x = 39,198,118.56 × 20,271,074.24
  4. Step 4: Simplify right side
    28,434,008x = 794,587,971,398,081.88
  5. Step 5: Solve for x
    x = 794,587,971,398,081.88/28,434,008
  6. Step 6: Final answer
    x = 27,944,986.56

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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.