Home / 6,849,164.68-9,449,216.38-3,909,144.96

Finding the Fourth Proportional to 6,849,164.68, 9,449,216.38 and 3,909,144.96

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Solution

The fourth proportional to 6,849,164.68, 9,449,216.38 and 3,909,144.96 is: 5,393,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849,164.68 : 9,449,216.38 = 3,909,144.96 : x
  2. Step 2: Convert to fraction form
    6,849,164.68/9,449,216.38 = 3,909,144.96/x
  3. Step 3: Cross multiply
    6,849,164.68x = 9,449,216.38 × 3,909,144.96
  4. Step 4: Simplify right side
    6,849,164.68x = 36,938,356,587,826.45
  5. Step 5: Solve for x
    x = 36,938,356,587,826.45/6,849,164.68
  6. Step 6: Final answer
    x = 5,393,118.48

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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.