Home / 9,332,969.68-12,878,121.85-5,412,558.34

Finding the Fourth Proportional to 9,332,969.68, 12,878,121.85 and 5,412,558.34

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Solution

The fourth proportional to 9,332,969.68, 12,878,121.85 and 5,412,558.34 is: 7,468,532.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332,969.68 : 12,878,121.85 = 5,412,558.34 : x
  2. Step 2: Convert to fraction form
    9,332,969.68/12,878,121.85 = 5,412,558.34/x
  3. Step 3: Cross multiply
    9,332,969.68x = 12,878,121.85 × 5,412,558.34
  4. Step 4: Simplify right side
    9,332,969.68x = 69,703,585,822,753.73
  5. Step 5: Solve for x
    x = 69,703,585,822,753.73/9,332,969.68
  6. Step 6: Final answer
    x = 7,468,532.33

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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.