Home / 12,770,082.40-19,161,849.52-7,382,517.28

Finding the Fourth Proportional to 12,770,082.40, 19,161,849.52 and 7,382,517.28

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Solution

The fourth proportional to 12,770,082.40, 19,161,849.52 and 7,382,517.28 is: 11,077,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770,082.40 : 19,161,849.52 = 7,382,517.28 : x
  2. Step 2: Convert to fraction form
    12,770,082.40/19,161,849.52 = 7,382,517.28/x
  3. Step 3: Cross multiply
    12,770,082.40x = 19,161,849.52 × 7,382,517.28
  4. Step 4: Simplify right side
    12,770,082.40x = 141,462,685,198,159.72
  5. Step 5: Solve for x
    x = 141,462,685,198,159.72/12,770,082.40
  6. Step 6: Final answer
    x = 11,077,664.24

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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.