Home / 38,488,531.66-57,751,766.08-18,019,637.26

Finding the Fourth Proportional to 38,488,531.66, 57,751,766.08 and 18,019,637.26

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Solution

The fourth proportional to 38,488,531.66, 57,751,766.08 and 18,019,637.26 is: 27,038,336.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,488,531.66 : 57,751,766.08 = 18,019,637.26 : x
  2. Step 2: Convert to fraction form
    38,488,531.66/57,751,766.08 = 18,019,637.26/x
  3. Step 3: Cross multiply
    38,488,531.66x = 57,751,766.08 × 18,019,637.26
  4. Step 4: Simplify right side
    38,488,531.66x = 1,040,665,875,885,972.25
  5. Step 5: Solve for x
    x = 1,040,665,875,885,972.25/38,488,531.66
  6. Step 6: Final answer
    x = 27,038,336.64

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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.