Home / 39,677,015.85-54,754,958.76-21,795,990.16

Finding the Fourth Proportional to 39,677,015.85, 54,754,958.76 and 21,795,990.16

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Solution

The fourth proportional to 39,677,015.85, 54,754,958.76 and 21,795,990.16 is: 30,078,838.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,677,015.85 : 54,754,958.76 = 21,795,990.16 : x
  2. Step 2: Convert to fraction form
    39,677,015.85/54,754,958.76 = 21,795,990.16/x
  3. Step 3: Cross multiply
    39,677,015.85x = 54,754,958.76 × 21,795,990.16
  4. Step 4: Simplify right side
    39,677,015.85x = 1,193,438,542,335,894.25
  5. Step 5: Solve for x
    x = 1,193,438,542,335,894.25/39,677,015.85
  6. Step 6: Final answer
    x = 30,078,838.26

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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.