Home / 18,122,718.80-27,184,078.20-7,345,182.80

Finding the Fourth Proportional to 18,122,718.80, 27,184,078.20 and 7,345,182.80

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Solution

The fourth proportional to 18,122,718.80, 27,184,078.20 and 7,345,182.80 is: 11,017,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122,718.80 : 27,184,078.20 = 7,345,182.80 : x
  2. Step 2: Convert to fraction form
    18,122,718.80/27,184,078.20 = 7,345,182.80/x
  3. Step 3: Cross multiply
    18,122,718.80x = 27,184,078.20 × 7,345,182.80
  4. Step 4: Simplify right side
    18,122,718.80x = 199,672,023,628,494.94
  5. Step 5: Solve for x
    x = 199,672,023,628,494.94/18,122,718.80
  6. Step 6: Final answer
    x = 11,017,774.20

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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.