Home / 18,131,752-27,200,582.22-5,353,548.40

Finding the Fourth Proportional to 18,131,752, 27,200,582.22 and 5,353,548.40

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Solution

The fourth proportional to 18,131,752, 27,200,582.22 and 5,353,548.40 is: 8,031,194.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131,752 : 27,200,582.22 = 5,353,548.40 : x
  2. Step 2: Convert to fraction form
    18,131,752/27,200,582.22 = 5,353,548.40/x
  3. Step 3: Cross multiply
    18,131,752x = 27,200,582.22 × 5,353,548.40
  4. Step 4: Simplify right side
    18,131,752x = 145,619,633,422,949.44
  5. Step 5: Solve for x
    x = 145,619,633,422,949.44/18,131,752
  6. Step 6: Final answer
    x = 8,031,194.86

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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.