Home / 13,613,353.29-18,787,128.26-7,501,781.79

Finding the Fourth Proportional to 13,613,353.29, 18,787,128.26 and 7,501,781.79

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Solution

The fourth proportional to 13,613,353.29, 18,787,128.26 and 7,501,781.79 is: 10,352,845.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,613,353.29 : 18,787,128.26 = 7,501,781.79 : x
  2. Step 2: Convert to fraction form
    13,613,353.29/18,787,128.26 = 7,501,781.79/x
  3. Step 3: Cross multiply
    13,613,353.29x = 18,787,128.26 × 7,501,781.79
  4. Step 4: Simplify right side
    13,613,353.29x = 140,936,936,629,753.47
  5. Step 5: Solve for x
    x = 140,936,936,629,753.47/13,613,353.29
  6. Step 6: Final answer
    x = 10,352,845.01

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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.