Home / 8,666,222.92-11,971,844.55-6,921,601.67

Finding the Fourth Proportional to 8,666,222.92, 11,971,844.55 and 6,921,601.67

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Solution

The fourth proportional to 8,666,222.92, 11,971,844.55 and 6,921,601.67 is: 9,561,759.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666,222.92 : 11,971,844.55 = 6,921,601.67 : x
  2. Step 2: Convert to fraction form
    8,666,222.92/11,971,844.55 = 6,921,601.67/x
  3. Step 3: Cross multiply
    8,666,222.92x = 11,971,844.55 × 6,921,601.67
  4. Step 4: Simplify right side
    8,666,222.92x = 82,864,339,260,190.02
  5. Step 5: Solve for x
    x = 82,864,339,260,190.02/8,666,222.92
  6. Step 6: Final answer
    x = 9,561,759.49

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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.