Home / 39,431,862.68-54,338,456.22-30,149,949.56

Finding the Fourth Proportional to 39,431,862.68, 54,338,456.22 and 30,149,949.56

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Solution

The fourth proportional to 39,431,862.68, 54,338,456.22 and 30,149,949.56 is: 41,547,662.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,431,862.68 : 54,338,456.22 = 30,149,949.56 : x
  2. Step 2: Convert to fraction form
    39,431,862.68/54,338,456.22 = 30,149,949.56/x
  3. Step 3: Cross multiply
    39,431,862.68x = 54,338,456.22 × 30,149,949.56
  4. Step 4: Simplify right side
    39,431,862.68x = 1,638,301,714,201,268.25
  5. Step 5: Solve for x
    x = 1,638,301,714,201,268.25/39,431,862.68
  6. Step 6: Final answer
    x = 41,547,662.29

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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.