Home / 31,303,917.48-43,162,529.22-28,982,314.92

Finding the Fourth Proportional to 31,303,917.48, 43,162,529.22 and 28,982,314.92

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Solution

The fourth proportional to 31,303,917.48, 43,162,529.22 and 28,982,314.92 is: 39,961,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,303,917.48 : 43,162,529.22 = 28,982,314.92 : x
  2. Step 2: Convert to fraction form
    31,303,917.48/43,162,529.22 = 28,982,314.92/x
  3. Step 3: Cross multiply
    31,303,917.48x = 43,162,529.22 × 28,982,314.92
  4. Step 4: Simplify right side
    31,303,917.48x = 1,250,950,014,597,742
  5. Step 5: Solve for x
    x = 1,250,950,014,597,742/31,303,917.48
  6. Step 6: Final answer
    x = 39,961,452.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.