Home / 34,450,839.48-47,543,014.59-21,215,006.13

Finding the Fourth Proportional to 34,450,839.48, 47,543,014.59 and 21,215,006.13

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Solution

The fourth proportional to 34,450,839.48, 47,543,014.59 and 21,215,006.13 is: 29,277,235.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,450,839.48 : 47,543,014.59 = 21,215,006.13 : x
  2. Step 2: Convert to fraction form
    34,450,839.48/47,543,014.59 = 21,215,006.13/x
  3. Step 3: Cross multiply
    34,450,839.48x = 47,543,014.59 × 21,215,006.13
  4. Step 4: Simplify right side
    34,450,839.48x = 1,008,625,345,965,529.50
  5. Step 5: Solve for x
    x = 1,008,625,345,965,529.50/34,450,839.48
  6. Step 6: Final answer
    x = 29,277,235.65

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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.