Home / 7,766,621.46-11,649,926.04-2,086,845.78

Finding the Fourth Proportional to 7,766,621.46, 11,649,926.04 and 2,086,845.78

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Solution

The fourth proportional to 7,766,621.46, 11,649,926.04 and 2,086,845.78 is: 3,130,267.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766,621.46 : 11,649,926.04 = 2,086,845.78 : x
  2. Step 2: Convert to fraction form
    7,766,621.46/11,649,926.04 = 2,086,845.78/x
  3. Step 3: Cross multiply
    7,766,621.46x = 11,649,926.04 × 2,086,845.78
  4. Step 4: Simplify right side
    7,766,621.46x = 24,311,598,935,636.48
  5. Step 5: Solve for x
    x = 24,311,598,935,636.48/7,766,621.46
  6. Step 6: Final answer
    x = 3,130,267.01

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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.