Home / 10,867,687.92-14,991,164.47-6,786,221.04

Finding the Fourth Proportional to 10,867,687.92, 14,991,164.47 and 6,786,221.04

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Solution

The fourth proportional to 10,867,687.92, 14,991,164.47 and 6,786,221.04 is: 9,361,085.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,687.92 : 14,991,164.47 = 6,786,221.04 : x
  2. Step 2: Convert to fraction form
    10,867,687.92/14,991,164.47 = 6,786,221.04/x
  3. Step 3: Cross multiply
    10,867,687.92x = 14,991,164.47 × 6,786,221.04
  4. Step 4: Simplify right side
    10,867,687.92x = 101,733,355,740,414.45
  5. Step 5: Solve for x
    x = 101,733,355,740,414.45/10,867,687.92
  6. Step 6: Final answer
    x = 9,361,085.49

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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.