Home / 7,480,578.66-10,323,245.79-4,042,811.58

Finding the Fourth Proportional to 7,480,578.66, 10,323,245.79 and 4,042,811.58

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Solution

The fourth proportional to 7,480,578.66, 10,323,245.79 and 4,042,811.58 is: 5,579,105.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480,578.66 : 10,323,245.79 = 4,042,811.58 : x
  2. Step 2: Convert to fraction form
    7,480,578.66/10,323,245.79 = 4,042,811.58/x
  3. Step 3: Cross multiply
    7,480,578.66x = 10,323,245.79 × 4,042,811.58
  4. Step 4: Simplify right side
    7,480,578.66x = 41,734,937,622,998.24
  5. Step 5: Solve for x
    x = 41,734,937,622,998.24/7,480,578.66
  6. Step 6: Final answer
    x = 5,579,105.51

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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.