Home / 13,493,775.71-18,619,810.19-7,613,067.11

Finding the Fourth Proportional to 13,493,775.71, 18,619,810.19 and 7,613,067.11

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Solution

The fourth proportional to 13,493,775.71, 18,619,810.19 and 7,613,067.11 is: 10,505,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493,775.71 : 18,619,810.19 = 7,613,067.11 : x
  2. Step 2: Convert to fraction form
    13,493,775.71/18,619,810.19 = 7,613,067.11/x
  3. Step 3: Cross multiply
    13,493,775.71x = 18,619,810.19 × 7,613,067.11
  4. Step 4: Simplify right side
    13,493,775.71x = 141,753,864,449,316.47
  5. Step 5: Solve for x
    x = 141,753,864,449,316.47/13,493,775.71
  6. Step 6: Final answer
    x = 10,505,129.73

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.