Home / 7,388,611.40-11,077,012.20-3,125,273.60

Finding the Fourth Proportional to 7,388,611.40, 11,077,012.20 and 3,125,273.60

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Solution

The fourth proportional to 7,388,611.40, 11,077,012.20 and 3,125,273.60 is: 4,685,412.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388,611.40 : 11,077,012.20 = 3,125,273.60 : x
  2. Step 2: Convert to fraction form
    7,388,611.40/11,077,012.20 = 3,125,273.60/x
  3. Step 3: Cross multiply
    7,388,611.40x = 11,077,012.20 × 3,125,273.60
  4. Step 4: Simplify right side
    7,388,611.40x = 34,618,693,795,537.92
  5. Step 5: Solve for x
    x = 34,618,693,795,537.92/7,388,611.40
  6. Step 6: Final answer
    x = 4,685,412.71

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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.