Home / 7,946,789.75-11,921,961.53-2,898,100.25

Finding the Fourth Proportional to 7,946,789.75, 11,921,961.53 and 2,898,100.25

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Solution

The fourth proportional to 7,946,789.75, 11,921,961.53 and 2,898,100.25 is: 4,347,798.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946,789.75 : 11,921,961.53 = 2,898,100.25 : x
  2. Step 2: Convert to fraction form
    7,946,789.75/11,921,961.53 = 2,898,100.25/x
  3. Step 3: Cross multiply
    7,946,789.75x = 11,921,961.53 × 2,898,100.25
  4. Step 4: Simplify right side
    7,946,789.75x = 34,551,039,727,633.54
  5. Step 5: Solve for x
    x = 34,551,039,727,633.54/7,946,789.75
  6. Step 6: Final answer
    x = 4,347,798.39

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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.