Home / 12,368,172.29-17,060,986.26-7,713,876.65

Finding the Fourth Proportional to 12,368,172.29, 17,060,986.26 and 7,713,876.65

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Solution

The fourth proportional to 12,368,172.29, 17,060,986.26 and 7,713,876.65 is: 10,640,726.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368,172.29 : 17,060,986.26 = 7,713,876.65 : x
  2. Step 2: Convert to fraction form
    12,368,172.29/17,060,986.26 = 7,713,876.65/x
  3. Step 3: Cross multiply
    12,368,172.29x = 17,060,986.26 × 7,713,876.65
  4. Step 4: Simplify right side
    12,368,172.29x = 131,606,343,451,679.91
  5. Step 5: Solve for x
    x = 131,606,343,451,679.91/12,368,172.29
  6. Step 6: Final answer
    x = 10,640,726.89

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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.