Home / 20,787,550.39-31,179,826.54-6,409,117.27

Finding the Fourth Proportional to 20,787,550.39, 31,179,826.54 and 6,409,117.27

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Solution

The fourth proportional to 20,787,550.39, 31,179,826.54 and 6,409,117.27 is: 9,613,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,787,550.39 : 31,179,826.54 = 6,409,117.27 : x
  2. Step 2: Convert to fraction form
    20,787,550.39/31,179,826.54 = 6,409,117.27/x
  3. Step 3: Cross multiply
    20,787,550.39x = 31,179,826.54 × 6,409,117.27
  4. Step 4: Simplify right side
    20,787,550.39x = 199,835,164,753,118.31
  5. Step 5: Solve for x
    x = 199,835,164,753,118.31/20,787,550.39
  6. Step 6: Final answer
    x = 9,613,213.73

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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.