Home / 20,247,371.70-30,373,721.55-7,476,846.90

Finding the Fourth Proportional to 20,247,371.70, 30,373,721.55 and 7,476,846.90

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Solution

The fourth proportional to 20,247,371.70, 30,373,721.55 and 7,476,846.90 is: 11,216,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247,371.70 : 30,373,721.55 = 7,476,846.90 : x
  2. Step 2: Convert to fraction form
    20,247,371.70/30,373,721.55 = 7,476,846.90/x
  3. Step 3: Cross multiply
    20,247,371.70x = 30,373,721.55 × 7,476,846.90
  4. Step 4: Simplify right side
    20,247,371.70x = 227,099,665,812,580.72
  5. Step 5: Solve for x
    x = 227,099,665,812,580.72/20,247,371.70
  6. Step 6: Final answer
    x = 11,216,254.10

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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.