Home / 8,439,245.91-11,646,147.87-4,571,782.65

Finding the Fourth Proportional to 8,439,245.91, 11,646,147.87 and 4,571,782.65

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Solution

The fourth proportional to 8,439,245.91, 11,646,147.87 and 4,571,782.65 is: 6,309,053.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439,245.91 : 11,646,147.87 = 4,571,782.65 : x
  2. Step 2: Convert to fraction form
    8,439,245.91/11,646,147.87 = 4,571,782.65/x
  3. Step 3: Cross multiply
    8,439,245.91x = 11,646,147.87 × 4,571,782.65
  4. Step 4: Simplify right side
    8,439,245.91x = 53,243,656,771,400.45
  5. Step 5: Solve for x
    x = 53,243,656,771,400.45/8,439,245.91
  6. Step 6: Final answer
    x = 6,309,053.83

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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.