Home / 13,448,352.06-18,558,637.92-7,647,134.22

Finding the Fourth Proportional to 13,448,352.06, 18,558,637.92 and 7,647,134.22

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Solution

The fourth proportional to 13,448,352.06, 18,558,637.92 and 7,647,134.22 is: 10,552,995.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448,352.06 : 18,558,637.92 = 7,647,134.22 : x
  2. Step 2: Convert to fraction form
    13,448,352.06/18,558,637.92 = 7,647,134.22/x
  3. Step 3: Cross multiply
    13,448,352.06x = 18,558,637.92 × 7,647,134.22
  4. Step 4: Simplify right side
    13,448,352.06x = 141,920,395,114,621.62
  5. Step 5: Solve for x
    x = 141,920,395,114,621.62/13,448,352.06
  6. Step 6: Final answer
    x = 10,552,995.23

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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.