Home / 7,178,190.99-9,904,199.78-4,080,469.52

Finding the Fourth Proportional to 7,178,190.99, 9,904,199.78 and 4,080,469.52

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Solution

The fourth proportional to 7,178,190.99, 9,904,199.78 and 4,080,469.52 is: 5,630,079.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178,190.99 : 9,904,199.78 = 4,080,469.52 : x
  2. Step 2: Convert to fraction form
    7,178,190.99/9,904,199.78 = 4,080,469.52/x
  3. Step 3: Cross multiply
    7,178,190.99x = 9,904,199.78 × 4,080,469.52
  4. Step 4: Simplify right side
    7,178,190.99x = 40,413,785,322,280.70
  5. Step 5: Solve for x
    x = 40,413,785,322,280.70/7,178,190.99
  6. Step 6: Final answer
    x = 5,630,079.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.