Home / 39,366,718.28-54,327,645.82-21,964,584.32

Finding the Fourth Proportional to 39,366,718.28, 54,327,645.82 and 21,964,584.32

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Solution

The fourth proportional to 39,366,718.28, 54,327,645.82 and 21,964,584.32 is: 30,312,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,366,718.28 : 54,327,645.82 = 21,964,584.32 : x
  2. Step 2: Convert to fraction form
    39,366,718.28/54,327,645.82 = 21,964,584.32/x
  3. Step 3: Cross multiply
    39,366,718.28x = 54,327,645.82 × 21,964,584.32
  4. Step 4: Simplify right side
    39,366,718.28x = 1,193,284,157,520,485.50
  5. Step 5: Solve for x
    x = 1,193,284,157,520,485.50/39,366,718.28
  6. Step 6: Final answer
    x = 30,312,004.90

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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.