Home / 13,448,336.06-18,558,615.84-7,647,118.22

Finding the Fourth Proportional to 13,448,336.06, 18,558,615.84 and 7,647,118.22

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Solution

The fourth proportional to 13,448,336.06, 18,558,615.84 and 7,647,118.22 is: 10,552,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448,336.06 : 18,558,615.84 = 7,647,118.22 : x
  2. Step 2: Convert to fraction form
    13,448,336.06/18,558,615.84 = 7,647,118.22/x
  3. Step 3: Cross multiply
    13,448,336.06x = 18,558,615.84 × 7,647,118.22
  4. Step 4: Simplify right side
    13,448,336.06x = 141,919,929,328,044.59
  5. Step 5: Solve for x
    x = 141,919,929,328,044.59/13,448,336.06
  6. Step 6: Final answer
    x = 10,552,973.15

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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.