Home / 8,269,890.36-12,404,836.08-2,590,557

Finding the Fourth Proportional to 8,269,890.36, 12,404,836.08 and 2,590,557

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Solution

The fourth proportional to 8,269,890.36, 12,404,836.08 and 2,590,557 is: 3,885,835.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269,890.36 : 12,404,836.08 = 2,590,557 : x
  2. Step 2: Convert to fraction form
    8,269,890.36/12,404,836.08 = 2,590,557/x
  3. Step 3: Cross multiply
    8,269,890.36x = 12,404,836.08 × 2,590,557
  4. Step 4: Simplify right side
    8,269,890.36x = 32,135,434,940,896.56
  5. Step 5: Solve for x
    x = 32,135,434,940,896.56/8,269,890.36
  6. Step 6: Final answer
    x = 3,885,835.67

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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.