Home / 39,366,005.73-54,325,121.95-21,962,354.52

Finding the Fourth Proportional to 39,366,005.73, 54,325,121.95 and 21,962,354.52

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Solution

The fourth proportional to 39,366,005.73, 54,325,121.95 and 21,962,354.52 is: 30,308,068.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,366,005.73 : 54,325,121.95 = 21,962,354.52 : x
  2. Step 2: Convert to fraction form
    39,366,005.73/54,325,121.95 = 21,962,354.52/x
  3. Step 3: Cross multiply
    39,366,005.73x = 54,325,121.95 × 21,962,354.52
  4. Step 4: Simplify right side
    39,366,005.73x = 1,193,107,587,608,133.75
  5. Step 5: Solve for x
    x = 1,193,107,587,608,133.75/39,366,005.73
  6. Step 6: Final answer
    x = 30,308,068.23

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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.