Home / 29,312,891.37-43,969,338.45-20,081,761.20

Finding the Fourth Proportional to 29,312,891.37, 43,969,338.45 and 20,081,761.20

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Solution

The fourth proportional to 29,312,891.37, 43,969,338.45 and 20,081,761.20 is: 30,122,642.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312,891.37 : 43,969,338.45 = 20,081,761.20 : x
  2. Step 2: Convert to fraction form
    29,312,891.37/43,969,338.45 = 20,081,761.20/x
  3. Step 3: Cross multiply
    29,312,891.37x = 43,969,338.45 × 20,081,761.20
  4. Step 4: Simplify right side
    29,312,891.37x = 882,981,754,874,878.12
  5. Step 5: Solve for x
    x = 882,981,754,874,878.12/29,312,891.37
  6. Step 6: Final answer
    x = 30,122,642.76

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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.