Home / 6,520,139.80-9,789,540.90-3,685,787.80

Finding the Fourth Proportional to 6,520,139.80, 9,789,540.90 and 3,685,787.80

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Solution

The fourth proportional to 6,520,139.80, 9,789,540.90 and 3,685,787.80 is: 5,533,956.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,139.80 : 9,789,540.90 = 3,685,787.80 : x
  2. Step 2: Convert to fraction form
    6,520,139.80/9,789,540.90 = 3,685,787.80/x
  3. Step 3: Cross multiply
    6,520,139.80x = 9,789,540.90 × 3,685,787.80
  4. Step 4: Simplify right side
    6,520,139.80x = 36,082,170,416,821.02
  5. Step 5: Solve for x
    x = 36,082,170,416,821.02/6,520,139.80
  6. Step 6: Final answer
    x = 5,533,956.56

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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.