Home / 5,142,164.70-7,096,033.49-2,818,977.81

Finding the Fourth Proportional to 5,142,164.70, 7,096,033.49 and 2,818,977.81

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Solution

The fourth proportional to 5,142,164.70, 7,096,033.49 and 2,818,977.81 is: 3,890,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142,164.70 : 7,096,033.49 = 2,818,977.81 : x
  2. Step 2: Convert to fraction form
    5,142,164.70/7,096,033.49 = 2,818,977.81/x
  3. Step 3: Cross multiply
    5,142,164.70x = 7,096,033.49 × 2,818,977.81
  4. Step 4: Simplify right side
    5,142,164.70x = 20,003,560,933,231.97
  5. Step 5: Solve for x
    x = 20,003,560,933,231.97/5,142,164.70
  6. Step 6: Final answer
    x = 3,890,105.06

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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.