Home / 12,070,218.80-18,081,708.60-7,263,630.20

Finding the Fourth Proportional to 12,070,218.80, 18,081,708.60 and 7,263,630.20

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Solution

The fourth proportional to 12,070,218.80, 18,081,708.60 and 7,263,630.20 is: 10,881,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070,218.80 : 18,081,708.60 = 7,263,630.20 : x
  2. Step 2: Convert to fraction form
    12,070,218.80/18,081,708.60 = 7,263,630.20/x
  3. Step 3: Cross multiply
    12,070,218.80x = 18,081,708.60 × 7,263,630.20
  4. Step 4: Simplify right side
    12,070,218.80x = 131,338,844,654,559.73
  5. Step 5: Solve for x
    x = 131,338,844,654,559.73/12,070,218.80
  6. Step 6: Final answer
    x = 10,881,231.47

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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.