Home / 5,430,015.90-8,149,616.55-2,237,433.30

Finding the Fourth Proportional to 5,430,015.90, 8,149,616.55 and 2,237,433.30

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Solution

The fourth proportional to 5,430,015.90, 8,149,616.55 and 2,237,433.30 is: 3,358,042.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,015.90 : 8,149,616.55 = 2,237,433.30 : x
  2. Step 2: Convert to fraction form
    5,430,015.90/8,149,616.55 = 2,237,433.30/x
  3. Step 3: Cross multiply
    5,430,015.90x = 8,149,616.55 × 2,237,433.30
  4. Step 4: Simplify right side
    5,430,015.90x = 18,234,223,451,201.11
  5. Step 5: Solve for x
    x = 18,234,223,451,201.11/5,430,015.90
  6. Step 6: Final answer
    x = 3,358,042.37

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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.