Home / 20,846,218.16-31,273,506.84-7,199,865.20

Finding the Fourth Proportional to 20,846,218.16, 31,273,506.84 and 7,199,865.20

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Solution

The fourth proportional to 20,846,218.16, 31,273,506.84 and 7,199,865.20 is: 10,801,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,846,218.16 : 31,273,506.84 = 7,199,865.20 : x
  2. Step 2: Convert to fraction form
    20,846,218.16/31,273,506.84 = 7,199,865.20/x
  3. Step 3: Cross multiply
    20,846,218.16x = 31,273,506.84 × 7,199,865.20
  4. Step 4: Simplify right side
    20,846,218.16x = 225,165,033,579,277.97
  5. Step 5: Solve for x
    x = 225,165,033,579,277.97/20,846,218.16
  6. Step 6: Final answer
    x = 10,801,241.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.