Home / 38,247,268-52,781,231.04-21,077,860

Finding the Fourth Proportional to 38,247,268, 52,781,231.04 and 21,077,860

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Solution

The fourth proportional to 38,247,268, 52,781,231.04 and 21,077,860 is: 29,087,447.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247,268 : 52,781,231.04 = 21,077,860 : x
  2. Step 2: Convert to fraction form
    38,247,268/52,781,231.04 = 21,077,860/x
  3. Step 3: Cross multiply
    38,247,268x = 52,781,231.04 × 21,077,860
  4. Step 4: Simplify right side
    38,247,268x = 1,112,515,398,488,774.38
  5. Step 5: Solve for x
    x = 1,112,515,398,488,774.38/38,247,268
  6. Step 6: Final answer
    x = 29,087,447.46

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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.