Home / 7,006,889.28-9,669,493.78-3,909,228.31

Finding the Fourth Proportional to 7,006,889.28, 9,669,493.78 and 3,909,228.31

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Solution

The fourth proportional to 7,006,889.28, 9,669,493.78 and 3,909,228.31 is: 5,394,727.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006,889.28 : 9,669,493.78 = 3,909,228.31 : x
  2. Step 2: Convert to fraction form
    7,006,889.28/9,669,493.78 = 3,909,228.31/x
  3. Step 3: Cross multiply
    7,006,889.28x = 9,669,493.78 × 3,909,228.31
  4. Step 4: Simplify right side
    7,006,889.28x = 37,800,258,794,198.11
  5. Step 5: Solve for x
    x = 37,800,258,794,198.11/7,006,889.28
  6. Step 6: Final answer
    x = 5,394,727.57

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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.