Home / 18,786,849.41-28,171,392.17-7,277,707.24

Finding the Fourth Proportional to 18,786,849.41, 28,171,392.17 and 7,277,707.24

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Solution

The fourth proportional to 18,786,849.41, 28,171,392.17 and 7,277,707.24 is: 10,913,120.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786,849.41 : 28,171,392.17 = 7,277,707.24 : x
  2. Step 2: Convert to fraction form
    18,786,849.41/28,171,392.17 = 7,277,707.24/x
  3. Step 3: Cross multiply
    18,786,849.41x = 28,171,392.17 × 7,277,707.24
  4. Step 4: Simplify right side
    18,786,849.41x = 205,023,144,649,671.28
  5. Step 5: Solve for x
    x = 205,023,144,649,671.28/18,786,849.41
  6. Step 6: Final answer
    x = 10,913,120.14

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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.