Home / 7,222,543.20-10,839,938.40-2,965,766.40

Finding the Fourth Proportional to 7,222,543.20, 10,839,938.40 and 2,965,766.40

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Solution

The fourth proportional to 7,222,543.20, 10,839,938.40 and 2,965,766.40 is: 4,451,164.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222,543.20 : 10,839,938.40 = 2,965,766.40 : x
  2. Step 2: Convert to fraction form
    7,222,543.20/10,839,938.40 = 2,965,766.40/x
  3. Step 3: Cross multiply
    7,222,543.20x = 10,839,938.40 × 2,965,766.40
  4. Step 4: Simplify right side
    7,222,543.20x = 32,148,725,084,789.76
  5. Step 5: Solve for x
    x = 32,148,725,084,789.76/7,222,543.20
  6. Step 6: Final answer
    x = 4,451,164.11

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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.