Home / 8,618,121.52-12,923,207.84-2,550,683.68

Finding the Fourth Proportional to 8,618,121.52, 12,923,207.84 and 2,550,683.68

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Solution

The fourth proportional to 8,618,121.52, 12,923,207.84 and 2,550,683.68 is: 3,824,849.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618,121.52 : 12,923,207.84 = 2,550,683.68 : x
  2. Step 2: Convert to fraction form
    8,618,121.52/12,923,207.84 = 2,550,683.68/x
  3. Step 3: Cross multiply
    8,618,121.52x = 12,923,207.84 × 2,550,683.68
  4. Step 4: Simplify right side
    8,618,121.52x = 32,963,015,330,736.05
  5. Step 5: Solve for x
    x = 32,963,015,330,736.05/8,618,121.52
  6. Step 6: Final answer
    x = 3,824,849.22

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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.