Home / 30,167,351.52-41,651,773.20-28,239,992.16

Finding the Fourth Proportional to 30,167,351.52, 41,651,773.20 and 28,239,992.16

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Solution

The fourth proportional to 30,167,351.52, 41,651,773.20 and 28,239,992.16 is: 38,990,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,167,351.52 : 41,651,773.20 = 28,239,992.16 : x
  2. Step 2: Convert to fraction form
    30,167,351.52/41,651,773.20 = 28,239,992.16/x
  3. Step 3: Cross multiply
    30,167,351.52x = 41,651,773.20 × 28,239,992.16
  4. Step 4: Simplify right side
    30,167,351.52x = 1,176,245,748,618,098.25
  5. Step 5: Solve for x
    x = 1,176,245,748,618,098.25/30,167,351.52
  6. Step 6: Final answer
    x = 38,990,686.60

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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.