Home / 21,039,720.57-29,034,528.84-11,747,433.33

Finding the Fourth Proportional to 21,039,720.57, 29,034,528.84 and 11,747,433.33

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Solution

The fourth proportional to 21,039,720.57, 29,034,528.84 and 11,747,433.33 is: 16,211,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,039,720.57 : 29,034,528.84 = 11,747,433.33 : x
  2. Step 2: Convert to fraction form
    21,039,720.57/29,034,528.84 = 11,747,433.33/x
  3. Step 3: Cross multiply
    21,039,720.57x = 29,034,528.84 × 11,747,433.33
  4. Step 4: Simplify right side
    21,039,720.57x = 341,081,191,815,862.25
  5. Step 5: Solve for x
    x = 341,081,191,815,862.25/21,039,720.57
  6. Step 6: Final answer
    x = 16,211,298.56

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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.