Home / 42,373,105.70-63,560,249.06-12,080,968.70

Finding the Fourth Proportional to 42,373,105.70, 63,560,249.06 and 12,080,968.70

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Solution

The fourth proportional to 42,373,105.70, 63,560,249.06 and 12,080,968.70 is: 18,121,621.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,373,105.70 : 63,560,249.06 = 12,080,968.70 : x
  2. Step 2: Convert to fraction form
    42,373,105.70/63,560,249.06 = 12,080,968.70/x
  3. Step 3: Cross multiply
    42,373,105.70x = 63,560,249.06 × 12,080,968.70
  4. Step 4: Simplify right side
    42,373,105.70x = 767,869,379,458,064.38
  5. Step 5: Solve for x
    x = 767,869,379,458,064.38/42,373,105.70
  6. Step 6: Final answer
    x = 18,121,621.41

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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.