Home / 7,771,217.86-11,649,770.04-2,719,772.74

Finding the Fourth Proportional to 7,771,217.86, 11,649,770.04 and 2,719,772.74

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Solution

The fourth proportional to 7,771,217.86, 11,649,770.04 and 2,719,772.74 is: 4,077,189.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771,217.86 : 11,649,770.04 = 2,719,772.74 : x
  2. Step 2: Convert to fraction form
    7,771,217.86/11,649,770.04 = 2,719,772.74/x
  3. Step 3: Cross multiply
    7,771,217.86x = 11,649,770.04 × 2,719,772.74
  4. Step 4: Simplify right side
    7,771,217.86x = 31,684,726,982,060.71
  5. Step 5: Solve for x
    x = 31,684,726,982,060.71/7,771,217.86
  6. Step 6: Final answer
    x = 4,077,189.39

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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.