Home / 28,500,777.90-39,330,116.46-16,891,449.12

Finding the Fourth Proportional to 28,500,777.90, 39,330,116.46 and 16,891,449.12

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Solution

The fourth proportional to 28,500,777.90, 39,330,116.46 and 16,891,449.12 is: 23,309,632.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,500,777.90 : 39,330,116.46 = 16,891,449.12 : x
  2. Step 2: Convert to fraction form
    28,500,777.90/39,330,116.46 = 16,891,449.12/x
  3. Step 3: Cross multiply
    28,500,777.90x = 39,330,116.46 × 16,891,449.12
  4. Step 4: Simplify right side
    28,500,777.90x = 664,342,661,067,764.62
  5. Step 5: Solve for x
    x = 664,342,661,067,764.62/28,500,777.90
  6. Step 6: Final answer
    x = 23,309,632.58

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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.