Home / 20,211,458.46-27,891,885.27-11,044,101.21

Finding the Fourth Proportional to 20,211,458.46, 27,891,885.27 and 11,044,101.21

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Solution

The fourth proportional to 20,211,458.46, 27,891,885.27 and 11,044,101.21 is: 15,240,899.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,211,458.46 : 27,891,885.27 = 11,044,101.21 : x
  2. Step 2: Convert to fraction form
    20,211,458.46/27,891,885.27 = 11,044,101.21/x
  3. Step 3: Cross multiply
    20,211,458.46x = 27,891,885.27 × 11,044,101.21
  4. Step 4: Simplify right side
    20,211,458.46x = 308,040,803,720,128.75
  5. Step 5: Solve for x
    x = 308,040,803,720,128.75/20,211,458.46
  6. Step 6: Final answer
    x = 15,240,899.33

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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.