Home / 14,479,976.43-19,982,712.42-7,953,742.56

Finding the Fourth Proportional to 14,479,976.43, 19,982,712.42 and 7,953,742.56

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Solution

The fourth proportional to 14,479,976.43, 19,982,712.42 and 7,953,742.56 is: 10,976,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479,976.43 : 19,982,712.42 = 7,953,742.56 : x
  2. Step 2: Convert to fraction form
    14,479,976.43/19,982,712.42 = 7,953,742.56/x
  3. Step 3: Cross multiply
    14,479,976.43x = 19,982,712.42 × 7,953,742.56
  4. Step 4: Simplify right side
    14,479,976.43x = 158,937,350,239,194.59
  5. Step 5: Solve for x
    x = 158,937,350,239,194.59/14,479,976.43
  6. Step 6: Final answer
    x = 10,976,354.21

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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.