Home / 6,430,243.20-9,647,156.64-5,243,372.96

Finding the Fourth Proportional to 6,430,243.20, 9,647,156.64 and 5,243,372.96

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Solution

The fourth proportional to 6,430,243.20, 9,647,156.64 and 5,243,372.96 is: 7,866,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430,243.20 : 9,647,156.64 = 5,243,372.96 : x
  2. Step 2: Convert to fraction form
    6,430,243.20/9,647,156.64 = 5,243,372.96/x
  3. Step 3: Cross multiply
    6,430,243.20x = 9,647,156.64 × 5,243,372.96
  4. Step 4: Simplify right side
    6,430,243.20x = 50,583,640,267,060.46
  5. Step 5: Solve for x
    x = 50,583,640,267,060.46/6,430,243.20
  6. Step 6: Final answer
    x = 7,866,520.55

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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.