Home / 8,118,847.65-11,204,008.78-4,855,661.88

Finding the Fourth Proportional to 8,118,847.65, 11,204,008.78 and 4,855,661.88

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Solution

The fourth proportional to 8,118,847.65, 11,204,008.78 and 4,855,661.88 is: 6,700,812.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118,847.65 : 11,204,008.78 = 4,855,661.88 : x
  2. Step 2: Convert to fraction form
    8,118,847.65/11,204,008.78 = 4,855,661.88/x
  3. Step 3: Cross multiply
    8,118,847.65x = 11,204,008.78 × 4,855,661.88
  4. Step 4: Simplify right side
    8,118,847.65x = 54,402,878,336,231.30
  5. Step 5: Solve for x
    x = 54,402,878,336,231.30/8,118,847.65
  6. Step 6: Final answer
    x = 6,700,812.81

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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.