Home / 13,981,373.52-19,293,904.84-7,786,418.52

Finding the Fourth Proportional to 13,981,373.52, 19,293,904.84 and 7,786,418.52

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Solution

The fourth proportional to 13,981,373.52, 19,293,904.84 and 7,786,418.52 is: 10,745,040.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981,373.52 : 19,293,904.84 = 7,786,418.52 : x
  2. Step 2: Convert to fraction form
    13,981,373.52/19,293,904.84 = 7,786,418.52/x
  3. Step 3: Cross multiply
    13,981,373.52x = 19,293,904.84 × 7,786,418.52
  4. Step 4: Simplify right side
    13,981,373.52x = 150,230,417,969,293.62
  5. Step 5: Solve for x
    x = 150,230,417,969,293.62/13,981,373.52
  6. Step 6: Final answer
    x = 10,745,040.02

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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.