Home / 12,190,921.13-18,287,377.69-6,122,531.94

Finding the Fourth Proportional to 12,190,921.13, 18,287,377.69 and 6,122,531.94

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Solution

The fourth proportional to 12,190,921.13, 18,287,377.69 and 6,122,531.94 is: 9,184,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190,921.13 : 18,287,377.69 = 6,122,531.94 : x
  2. Step 2: Convert to fraction form
    12,190,921.13/18,287,377.69 = 6,122,531.94/x
  3. Step 3: Cross multiply
    12,190,921.13x = 18,287,377.69 × 6,122,531.94
  4. Step 4: Simplify right side
    12,190,921.13x = 111,965,054,005,868.44
  5. Step 5: Solve for x
    x = 111,965,054,005,868.44/12,190,921.13
  6. Step 6: Final answer
    x = 9,184,298.12

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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.