Home / 12,281,630.70-18,422,446.05-11,085,888.45

Finding the Fourth Proportional to 12,281,630.70, 18,422,446.05 and 11,085,888.45

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Solution

The fourth proportional to 12,281,630.70, 18,422,446.05 and 11,085,888.45 is: 16,628,832.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,281,630.70 : 18,422,446.05 = 11,085,888.45 : x
  2. Step 2: Convert to fraction form
    12,281,630.70/18,422,446.05 = 11,085,888.45/x
  3. Step 3: Cross multiply
    12,281,630.70x = 18,422,446.05 × 11,085,888.45
  4. Step 4: Simplify right side
    12,281,630.70x = 204,229,181,886,443.12
  5. Step 5: Solve for x
    x = 204,229,181,886,443.12/12,281,630.70
  6. Step 6: Final answer
    x = 16,628,832.68

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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.