Home / 34,450,841.22-47,543,016.99-21,215,007.87

Finding the Fourth Proportional to 34,450,841.22, 47,543,016.99 and 21,215,007.87

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Solution

The fourth proportional to 34,450,841.22, 47,543,016.99 and 21,215,007.87 is: 29,277,238.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,450,841.22 : 47,543,016.99 = 21,215,007.87 : x
  2. Step 2: Convert to fraction form
    34,450,841.22/47,543,016.99 = 21,215,007.87/x
  3. Step 3: Cross multiply
    34,450,841.22x = 47,543,016.99 × 21,215,007.87
  4. Step 4: Simplify right side
    34,450,841.22x = 1,008,625,479,606,393.75
  5. Step 5: Solve for x
    x = 1,008,625,479,606,393.75/34,450,841.22
  6. Step 6: Final answer
    x = 29,277,238.06

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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.