Home / 7,984,683.80-11,977,025.70-3,190,002.20

Finding the Fourth Proportional to 7,984,683.80, 11,977,025.70 and 3,190,002.20

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Solution

The fourth proportional to 7,984,683.80, 11,977,025.70 and 3,190,002.20 is: 4,785,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984,683.80 : 11,977,025.70 = 3,190,002.20 : x
  2. Step 2: Convert to fraction form
    7,984,683.80/11,977,025.70 = 3,190,002.20/x
  3. Step 3: Cross multiply
    7,984,683.80x = 11,977,025.70 × 3,190,002.20
  4. Step 4: Simplify right side
    7,984,683.80x = 38,206,738,332,456.54
  5. Step 5: Solve for x
    x = 38,206,738,332,456.54/7,984,683.80
  6. Step 6: Final answer
    x = 4,785,003.30

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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.