Home / 21,143,338.20-31,715,007.30-14,766,046.20

Finding the Fourth Proportional to 21,143,338.20, 31,715,007.30 and 14,766,046.20

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Solution

The fourth proportional to 21,143,338.20, 31,715,007.30 and 14,766,046.20 is: 22,149,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,143,338.20 : 31,715,007.30 = 14,766,046.20 : x
  2. Step 2: Convert to fraction form
    21,143,338.20/31,715,007.30 = 14,766,046.20/x
  3. Step 3: Cross multiply
    21,143,338.20x = 31,715,007.30 × 14,766,046.20
  4. Step 4: Simplify right side
    21,143,338.20x = 468,305,263,025,137.25
  5. Step 5: Solve for x
    x = 468,305,263,025,137.25/21,143,338.20
  6. Step 6: Final answer
    x = 22,149,069.30

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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.