Home / 13,448,249.12-18,558,495.72-7,647,031.28

Finding the Fourth Proportional to 13,448,249.12, 18,558,495.72 and 7,647,031.28

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Solution

The fourth proportional to 13,448,249.12, 18,558,495.72 and 7,647,031.28 is: 10,552,853.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448,249.12 : 18,558,495.72 = 7,647,031.28 : x
  2. Step 2: Convert to fraction form
    13,448,249.12/18,558,495.72 = 7,647,031.28/x
  3. Step 3: Cross multiply
    13,448,249.12x = 18,558,495.72 × 7,647,031.28
  4. Step 4: Simplify right side
    13,448,249.12x = 141,917,397,280,586.12
  5. Step 5: Solve for x
    x = 141,917,397,280,586.12/13,448,249.12
  6. Step 6: Final answer
    x = 10,552,853.09

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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.