Home / 18,109,044.11-27,174,739.06-8,391,845.88

Finding the Fourth Proportional to 18,109,044.11, 27,174,739.06 and 8,391,845.88

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Solution

The fourth proportional to 18,109,044.11, 27,174,739.06 and 8,391,845.88 is: 12,592,946.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109,044.11 : 27,174,739.06 = 8,391,845.88 : x
  2. Step 2: Convert to fraction form
    18,109,044.11/27,174,739.06 = 8,391,845.88/x
  3. Step 3: Cross multiply
    18,109,044.11x = 27,174,739.06 × 8,391,845.88
  4. Step 4: Simplify right side
    18,109,044.11x = 228,046,221,999,756.50
  5. Step 5: Solve for x
    x = 228,046,221,999,756.50/18,109,044.11
  6. Step 6: Final answer
    x = 12,592,946.41

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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.