Home / 7,782,419.96-11,680,713.85-4,142,205.96

Finding the Fourth Proportional to 7,782,419.96, 11,680,713.85 and 4,142,205.96

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Solution

The fourth proportional to 7,782,419.96, 11,680,713.85 and 4,142,205.96 is: 6,217,079.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782,419.96 : 11,680,713.85 = 4,142,205.96 : x
  2. Step 2: Convert to fraction form
    7,782,419.96/11,680,713.85 = 4,142,205.96/x
  3. Step 3: Cross multiply
    7,782,419.96x = 11,680,713.85 × 4,142,205.96
  4. Step 4: Simplify right side
    7,782,419.96x = 48,383,922,487,899.62
  5. Step 5: Solve for x
    x = 48,383,922,487,899.62/7,782,419.96
  6. Step 6: Final answer
    x = 6,217,079.36

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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.