Home / 7,618,833.70-11,428,125-3,069,771.64

Finding the Fourth Proportional to 7,618,833.70, 11,428,125 and 3,069,771.64

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Solution

The fourth proportional to 7,618,833.70, 11,428,125 and 3,069,771.64 is: 4,604,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618,833.70 : 11,428,125 = 3,069,771.64 : x
  2. Step 2: Convert to fraction form
    7,618,833.70/11,428,125 = 3,069,771.64/x
  3. Step 3: Cross multiply
    7,618,833.70x = 11,428,125 × 3,069,771.64
  4. Step 4: Simplify right side
    7,618,833.70x = 35,081,734,023,375
  5. Step 5: Solve for x
    x = 35,081,734,023,375/7,618,833.70
  6. Step 6: Final answer
    x = 4,604,606.87

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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.