Home / 55,247,114.70-82,870,672.05-18,843,406.20

Finding the Fourth Proportional to 55,247,114.70, 82,870,672.05 and 18,843,406.20

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Solution

The fourth proportional to 55,247,114.70, 82,870,672.05 and 18,843,406.20 is: 28,265,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,247,114.70 : 82,870,672.05 = 18,843,406.20 : x
  2. Step 2: Convert to fraction form
    55,247,114.70/82,870,672.05 = 18,843,406.20/x
  3. Step 3: Cross multiply
    55,247,114.70x = 82,870,672.05 × 18,843,406.20
  4. Step 4: Simplify right side
    55,247,114.70x = 1,561,565,735,505,136.50
  5. Step 5: Solve for x
    x = 1,561,565,735,505,136.50/55,247,114.70
  6. Step 6: Final answer
    x = 28,265,109.30

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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.