Home / 10,867,686.92-14,991,163.09-6,786,220.04

Finding the Fourth Proportional to 10,867,686.92, 14,991,163.09 and 6,786,220.04

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Solution

The fourth proportional to 10,867,686.92, 14,991,163.09 and 6,786,220.04 is: 9,361,084.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,686.92 : 14,991,163.09 = 6,786,220.04 : x
  2. Step 2: Convert to fraction form
    10,867,686.92/14,991,163.09 = 6,786,220.04/x
  3. Step 3: Cross multiply
    10,867,686.92x = 14,991,163.09 × 6,786,220.04
  4. Step 4: Simplify right side
    10,867,686.92x = 101,733,331,404,778.69
  5. Step 5: Solve for x
    x = 101,733,331,404,778.69/10,867,686.92
  6. Step 6: Final answer
    x = 9,361,084.11

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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.