Home / 7,025,394.69-10,530,913.68-3,986,340.57

Finding the Fourth Proportional to 7,025,394.69, 10,530,913.68 and 3,986,340.57

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Solution

The fourth proportional to 7,025,394.69, 10,530,913.68 and 3,986,340.57 is: 5,975,437.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025,394.69 : 10,530,913.68 = 3,986,340.57 : x
  2. Step 2: Convert to fraction form
    7,025,394.69/10,530,913.68 = 3,986,340.57/x
  3. Step 3: Cross multiply
    7,025,394.69x = 10,530,913.68 × 3,986,340.57
  4. Step 4: Simplify right side
    7,025,394.69x = 41,979,808,441,751.99
  5. Step 5: Solve for x
    x = 41,979,808,441,751.99/7,025,394.69
  6. Step 6: Final answer
    x = 5,975,437.72

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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.