Home / 8,120,388.35-11,206,605.89-4,449,312.02

Finding the Fourth Proportional to 8,120,388.35, 11,206,605.89 and 4,449,312.02

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Solution

The fourth proportional to 8,120,388.35, 11,206,605.89 and 4,449,312.02 is: 6,140,308.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120,388.35 : 11,206,605.89 = 4,449,312.02 : x
  2. Step 2: Convert to fraction form
    8,120,388.35/11,206,605.89 = 4,449,312.02/x
  3. Step 3: Cross multiply
    8,120,388.35x = 11,206,605.89 × 4,449,312.02
  4. Step 4: Simplify right side
    8,120,388.35x = 49,861,686,289,779.80
  5. Step 5: Solve for x
    x = 49,861,686,289,779.80/8,120,388.35
  6. Step 6: Final answer
    x = 6,140,308.09

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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.