Home / 7,278,133.15-10,894,481.38-5,361,205.51

Finding the Fourth Proportional to 7,278,133.15, 10,894,481.38 and 5,361,205.51

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Solution

The fourth proportional to 7,278,133.15, 10,894,481.38 and 5,361,205.51 is: 8,025,073.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278,133.15 : 10,894,481.38 = 5,361,205.51 : x
  2. Step 2: Convert to fraction form
    7,278,133.15/10,894,481.38 = 5,361,205.51/x
  3. Step 3: Cross multiply
    7,278,133.15x = 10,894,481.38 × 5,361,205.51
  4. Step 4: Simplify right side
    7,278,133.15x = 58,407,553,603,048.41
  5. Step 5: Solve for x
    x = 58,407,553,603,048.41/7,278,133.15
  6. Step 6: Final answer
    x = 8,025,073.52

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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.