Home / 20,722,776.40-31,094,645.82-13,810,972.04

Finding the Fourth Proportional to 20,722,776.40, 31,094,645.82 and 13,810,972.04

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Solution

The fourth proportional to 20,722,776.40, 31,094,645.82 and 13,810,972.04 is: 20,723,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,722,776.40 : 31,094,645.82 = 13,810,972.04 : x
  2. Step 2: Convert to fraction form
    20,722,776.40/31,094,645.82 = 13,810,972.04/x
  3. Step 3: Cross multiply
    20,722,776.40x = 31,094,645.82 × 13,810,972.04
  4. Step 4: Simplify right side
    20,722,776.40x = 429,447,284,013,722.88
  5. Step 5: Solve for x
    x = 429,447,284,013,722.88/20,722,776.40
  6. Step 6: Final answer
    x = 20,723,443.41

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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.