Home / 7,984,140.72-11,976,211.32-2,519,789.33

Finding the Fourth Proportional to 7,984,140.72, 11,976,211.32 and 2,519,789.33

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Solution

The fourth proportional to 7,984,140.72, 11,976,211.32 and 2,519,789.33 is: 3,779,684.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984,140.72 : 11,976,211.32 = 2,519,789.33 : x
  2. Step 2: Convert to fraction form
    7,984,140.72/11,976,211.32 = 2,519,789.33/x
  3. Step 3: Cross multiply
    7,984,140.72x = 11,976,211.32 × 2,519,789.33
  4. Step 4: Simplify right side
    7,984,140.72x = 30,177,529,438,080.16
  5. Step 5: Solve for x
    x = 30,177,529,438,080.16/7,984,140.72
  6. Step 6: Final answer
    x = 3,779,684.06

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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.