Home / 4,647,942.20-6,971,913.30-4,329,077.60

Finding the Fourth Proportional to 4,647,942.20, 6,971,913.30 and 4,329,077.60

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Solution

The fourth proportional to 4,647,942.20, 6,971,913.30 and 4,329,077.60 is: 6,493,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647,942.20 : 6,971,913.30 = 4,329,077.60 : x
  2. Step 2: Convert to fraction form
    4,647,942.20/6,971,913.30 = 4,329,077.60/x
  3. Step 3: Cross multiply
    4,647,942.20x = 6,971,913.30 × 4,329,077.60
  4. Step 4: Simplify right side
    4,647,942.20x = 30,181,953,696,172.08
  5. Step 5: Solve for x
    x = 30,181,953,696,172.08/4,647,942.20
  6. Step 6: Final answer
    x = 6,493,616.40

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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.