Home / 12,501,227.40-18,751,841.10-7,378,398.60

Finding the Fourth Proportional to 12,501,227.40, 18,751,841.10 and 7,378,398.60

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Solution

The fourth proportional to 12,501,227.40, 18,751,841.10 and 7,378,398.60 is: 11,067,597.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501,227.40 : 18,751,841.10 = 7,378,398.60 : x
  2. Step 2: Convert to fraction form
    12,501,227.40/18,751,841.10 = 7,378,398.60/x
  3. Step 3: Cross multiply
    12,501,227.40x = 18,751,841.10 × 7,378,398.60
  4. Step 4: Simplify right side
    12,501,227.40x = 138,358,558,119,662.47
  5. Step 5: Solve for x
    x = 138,358,558,119,662.47/12,501,227.40
  6. Step 6: Final answer
    x = 11,067,597.90

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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.