Home / 8,163,873.21-11,266,141.77-4,492,789.78

Finding the Fourth Proportional to 8,163,873.21, 11,266,141.77 and 4,492,789.78

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Solution

The fourth proportional to 8,163,873.21, 11,266,141.77 and 4,492,789.78 is: 6,200,048.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163,873.21 : 11,266,141.77 = 4,492,789.78 : x
  2. Step 2: Convert to fraction form
    8,163,873.21/11,266,141.77 = 4,492,789.78/x
  3. Step 3: Cross multiply
    8,163,873.21x = 11,266,141.77 × 4,492,789.78
  4. Step 4: Simplify right side
    8,163,873.21x = 50,616,406,536,724.43
  5. Step 5: Solve for x
    x = 50,616,406,536,724.43/8,163,873.21
  6. Step 6: Final answer
    x = 6,200,048.09

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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.