Home / 6,520,137.80-9,789,537.90-3,685,785.80

Finding the Fourth Proportional to 6,520,137.80, 9,789,537.90 and 3,685,785.80

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Solution

The fourth proportional to 6,520,137.80, 9,789,537.90 and 3,685,785.80 is: 5,533,953.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,137.80 : 9,789,537.90 = 3,685,785.80 : x
  2. Step 2: Convert to fraction form
    6,520,137.80/9,789,537.90 = 3,685,785.80/x
  3. Step 3: Cross multiply
    6,520,137.80x = 9,789,537.90 × 3,685,785.80
  4. Step 4: Simplify right side
    6,520,137.80x = 36,082,139,780,381.82
  5. Step 5: Solve for x
    x = 36,082,139,780,381.82/6,520,137.80
  6. Step 6: Final answer
    x = 5,533,953.56

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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.