Home / 12,864,092.20-19,277,997.10-7,109,417.22

Finding the Fourth Proportional to 12,864,092.20, 19,277,997.10 and 7,109,417.22

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Solution

The fourth proportional to 12,864,092.20, 19,277,997.10 and 7,109,417.22 is: 10,654,099.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864,092.20 : 19,277,997.10 = 7,109,417.22 : x
  2. Step 2: Convert to fraction form
    12,864,092.20/19,277,997.10 = 7,109,417.22/x
  3. Step 3: Cross multiply
    12,864,092.20x = 19,277,997.10 × 7,109,417.22
  4. Step 4: Simplify right side
    12,864,092.20x = 137,055,324,549,850.06
  5. Step 5: Solve for x
    x = 137,055,324,549,850.06/12,864,092.20
  6. Step 6: Final answer
    x = 10,654,099.99

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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.