Home / 7,763,615.47-11,647,583.63-3,387,137.71

Finding the Fourth Proportional to 7,763,615.47, 11,647,583.63 and 3,387,137.71

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Solution

The fourth proportional to 7,763,615.47, 11,647,583.63 and 3,387,137.71 is: 5,081,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763,615.47 : 11,647,583.63 = 3,387,137.71 : x
  2. Step 2: Convert to fraction form
    7,763,615.47/11,647,583.63 = 3,387,137.71/x
  3. Step 3: Cross multiply
    7,763,615.47x = 11,647,583.63 × 3,387,137.71
  4. Step 4: Simplify right side
    7,763,615.47x = 39,451,969,799,058.18
  5. Step 5: Solve for x
    x = 39,451,969,799,058.18/7,763,615.47
  6. Step 6: Final answer
    x = 5,081,649.13

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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.