Home / 7,782,129.39-11,690,908.82-5,629,793.34

Finding the Fourth Proportional to 7,782,129.39, 11,690,908.82 and 5,629,793.34

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Solution

The fourth proportional to 7,782,129.39, 11,690,908.82 and 5,629,793.34 is: 8,457,505.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782,129.39 : 11,690,908.82 = 5,629,793.34 : x
  2. Step 2: Convert to fraction form
    7,782,129.39/11,690,908.82 = 5,629,793.34/x
  3. Step 3: Cross multiply
    7,782,129.39x = 11,690,908.82 × 5,629,793.34
  4. Step 4: Simplify right side
    7,782,129.39x = 65,817,400,613,383.26
  5. Step 5: Solve for x
    x = 65,817,400,613,383.26/7,782,129.39
  6. Step 6: Final answer
    x = 8,457,505.31

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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.