Home / 12,070,217.80-18,081,707.10-7,263,629.20

Finding the Fourth Proportional to 12,070,217.80, 18,081,707.10 and 7,263,629.20

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Solution

The fourth proportional to 12,070,217.80, 18,081,707.10 and 7,263,629.20 is: 10,881,229.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070,217.80 : 18,081,707.10 = 7,263,629.20 : x
  2. Step 2: Convert to fraction form
    12,070,217.80/18,081,707.10 = 7,263,629.20/x
  3. Step 3: Cross multiply
    12,070,217.80x = 18,081,707.10 × 7,263,629.20
  4. Step 4: Simplify right side
    12,070,217.80x = 131,338,815,677,407.33
  5. Step 5: Solve for x
    x = 131,338,815,677,407.33/12,070,217.80
  6. Step 6: Final answer
    x = 10,881,229.97

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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.