Home / 6,989,383.24-9,645,659.22-3,933,795.40

Finding the Fourth Proportional to 6,989,383.24, 9,645,659.22 and 3,933,795.40

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Solution

The fourth proportional to 6,989,383.24, 9,645,659.22 and 3,933,795.40 is: 5,428,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,383.24 : 9,645,659.22 = 3,933,795.40 : x
  2. Step 2: Convert to fraction form
    6,989,383.24/9,645,659.22 = 3,933,795.40/x
  3. Step 3: Cross multiply
    6,989,383.24x = 9,645,659.22 × 3,933,795.40
  4. Step 4: Simplify right side
    6,989,383.24x = 37,944,049,869,603.59
  5. Step 5: Solve for x
    x = 37,944,049,869,603.59/6,989,383.24
  6. Step 6: Final answer
    x = 5,428,812.32

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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.