Home / 20,952,401.12-28,914,017.28-11,785,022

Finding the Fourth Proportional to 20,952,401.12, 28,914,017.28 and 11,785,022

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Solution

The fourth proportional to 20,952,401.12, 28,914,017.28 and 11,785,022 is: 16,263,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,952,401.12 : 28,914,017.28 = 11,785,022 : x
  2. Step 2: Convert to fraction form
    20,952,401.12/28,914,017.28 = 11,785,022/x
  3. Step 3: Cross multiply
    20,952,401.12x = 28,914,017.28 × 11,785,022
  4. Step 4: Simplify right side
    20,952,401.12x = 340,752,329,753,180.19
  5. Step 5: Solve for x
    x = 340,752,329,753,180.19/20,952,401.12
  6. Step 6: Final answer
    x = 16,263,163.72

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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.