Home / 11,999,862.91-18,001,664.16-3,910,961.80

Finding the Fourth Proportional to 11,999,862.91, 18,001,664.16 and 3,910,961.80

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Solution

The fourth proportional to 11,999,862.91, 18,001,664.16 and 3,910,961.80 is: 5,867,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999,862.91 : 18,001,664.16 = 3,910,961.80 : x
  2. Step 2: Convert to fraction form
    11,999,862.91/18,001,664.16 = 3,910,961.80/x
  3. Step 3: Cross multiply
    11,999,862.91x = 18,001,664.16 × 3,910,961.80
  4. Step 4: Simplify right side
    11,999,862.91x = 70,403,820,866,189.08
  5. Step 5: Solve for x
    x = 70,403,820,866,189.08/11,999,862.91
  6. Step 6: Final answer
    x = 5,867,052.10

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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.