Home / 9,121,841.75-13,684,890.92-2,645,052.19

Finding the Fourth Proportional to 9,121,841.75, 13,684,890.92 and 2,645,052.19

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Solution

The fourth proportional to 9,121,841.75, 13,684,890.92 and 2,645,052.19 is: 3,968,195.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,841.75 : 13,684,890.92 = 2,645,052.19 : x
  2. Step 2: Convert to fraction form
    9,121,841.75/13,684,890.92 = 2,645,052.19/x
  3. Step 3: Cross multiply
    9,121,841.75x = 13,684,890.92 × 2,645,052.19
  4. Step 4: Simplify right side
    9,121,841.75x = 36,197,250,650,419.62
  5. Step 5: Solve for x
    x = 36,197,250,650,419.62/9,121,841.75
  6. Step 6: Final answer
    x = 3,968,195.42

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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.