Home / 28,747,419.60-43,121,129.40-26,668,894.80

Finding the Fourth Proportional to 28,747,419.60, 43,121,129.40 and 26,668,894.80

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Solution

The fourth proportional to 28,747,419.60, 43,121,129.40 and 26,668,894.80 is: 40,003,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747,419.60 : 43,121,129.40 = 26,668,894.80 : x
  2. Step 2: Convert to fraction form
    28,747,419.60/43,121,129.40 = 26,668,894.80/x
  3. Step 3: Cross multiply
    28,747,419.60x = 43,121,129.40 × 26,668,894.80
  4. Step 4: Simplify right side
    28,747,419.60x = 1,149,992,863,625,787
  5. Step 5: Solve for x
    x = 1,149,992,863,625,787/28,747,419.60
  6. Step 6: Final answer
    x = 40,003,342.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.