Home / 9,340,221.65-12,889,825.79-5,419,682.33

Finding the Fourth Proportional to 9,340,221.65, 12,889,825.79 and 5,419,682.33

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Solution

The fourth proportional to 9,340,221.65, 12,889,825.79 and 5,419,682.33 is: 7,479,347.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340,221.65 : 12,889,825.79 = 5,419,682.33 : x
  2. Step 2: Convert to fraction form
    9,340,221.65/12,889,825.79 = 5,419,682.33/x
  3. Step 3: Cross multiply
    9,340,221.65x = 12,889,825.79 × 5,419,682.33
  4. Step 4: Simplify right side
    9,340,221.65x = 69,858,760,979,293.75
  5. Step 5: Solve for x
    x = 69,858,760,979,293.75/9,340,221.65
  6. Step 6: Final answer
    x = 7,479,347.24

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1.5x scale

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.