Home / 54,379,637.71-81,568,656.16-13,439,074.60

Finding the Fourth Proportional to 54,379,637.71, 81,568,656.16 and 13,439,074.60

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Solution

The fourth proportional to 54,379,637.71, 81,568,656.16 and 13,439,074.60 is: 20,158,414.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,379,637.71 : 81,568,656.16 = 13,439,074.60 : x
  2. Step 2: Convert to fraction form
    54,379,637.71/81,568,656.16 = 13,439,074.60/x
  3. Step 3: Cross multiply
    54,379,637.71x = 81,568,656.16 × 13,439,074.60
  4. Step 4: Simplify right side
    54,379,637.71x = 1,096,207,254,918,470.25
  5. Step 5: Solve for x
    x = 1,096,207,254,918,470.25/54,379,637.71
  6. Step 6: Final answer
    x = 20,158,414.09

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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.