Home / 12,005,380.88-17,997,036.86-4,327,146.80

Finding the Fourth Proportional to 12,005,380.88, 17,997,036.86 and 4,327,146.80

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Solution

The fourth proportional to 12,005,380.88, 17,997,036.86 and 4,327,146.80 is: 6,486,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005,380.88 : 17,997,036.86 = 4,327,146.80 : x
  2. Step 2: Convert to fraction form
    12,005,380.88/17,997,036.86 = 4,327,146.80/x
  3. Step 3: Cross multiply
    12,005,380.88x = 17,997,036.86 × 4,327,146.80
  4. Step 4: Simplify right side
    12,005,380.88x = 77,875,820,458,231.05
  5. Step 5: Solve for x
    x = 77,875,820,458,231.05/12,005,380.88
  6. Step 6: Final answer
    x = 6,486,743.01

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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.