Home / 14,479,976.92-19,982,713.11-7,953,743.06

Finding the Fourth Proportional to 14,479,976.92, 19,982,713.11 and 7,953,743.06

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Solution

The fourth proportional to 14,479,976.92, 19,982,713.11 and 7,953,743.06 is: 10,976,354.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479,976.92 : 19,982,713.11 = 7,953,743.06 : x
  2. Step 2: Convert to fraction form
    14,479,976.92/19,982,713.11 = 7,953,743.06/x
  3. Step 3: Cross multiply
    14,479,976.92x = 19,982,713.11 × 7,953,743.06
  4. Step 4: Simplify right side
    14,479,976.92x = 158,937,365,718,633.50
  5. Step 5: Solve for x
    x = 158,937,365,718,633.50/14,479,976.92
  6. Step 6: Final answer
    x = 10,976,354.91

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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.