Home / 12,070,198.80-18,081,678.60-7,263,610.20

Finding the Fourth Proportional to 12,070,198.80, 18,081,678.60 and 7,263,610.20

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Solution

The fourth proportional to 12,070,198.80, 18,081,678.60 and 7,263,610.20 is: 10,881,201.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070,198.80 : 18,081,678.60 = 7,263,610.20 : x
  2. Step 2: Convert to fraction form
    12,070,198.80/18,081,678.60 = 7,263,610.20/x
  3. Step 3: Cross multiply
    12,070,198.80x = 18,081,678.60 × 7,263,610.20
  4. Step 4: Simplify right side
    12,070,198.80x = 131,338,265,112,081.73
  5. Step 5: Solve for x
    x = 131,338,265,112,081.73/12,070,198.80
  6. Step 6: Final answer
    x = 10,881,201.49

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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.