Home / 8,094,378.89-12,147,864.56-5,649,650.21

Finding the Fourth Proportional to 8,094,378.89, 12,147,864.56 and 5,649,650.21

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Solution

The fourth proportional to 8,094,378.89, 12,147,864.56 and 5,649,650.21 is: 8,478,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,094,378.89 : 12,147,864.56 = 5,649,650.21 : x
  2. Step 2: Convert to fraction form
    8,094,378.89/12,147,864.56 = 5,649,650.21/x
  3. Step 3: Cross multiply
    8,094,378.89x = 12,147,864.56 × 5,649,650.21
  4. Step 4: Simplify right side
    8,094,378.89x = 68,631,185,473,467.98
  5. Step 5: Solve for x
    x = 68,631,185,473,467.98/8,094,378.89
  6. Step 6: Final answer
    x = 8,478,869.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.