Home / 20,476,966-30,720,500.96-6,099,977.92

Finding the Fourth Proportional to 20,476,966, 30,720,500.96 and 6,099,977.92

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Solution

The fourth proportional to 20,476,966, 30,720,500.96 and 6,099,977.92 is: 9,151,471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,476,966 : 30,720,500.96 = 6,099,977.92 : x
  2. Step 2: Convert to fraction form
    20,476,966/30,720,500.96 = 6,099,977.92/x
  3. Step 3: Cross multiply
    20,476,966x = 30,720,500.96 × 6,099,977.92
  4. Step 4: Simplify right side
    20,476,966x = 187,394,377,547,338.81
  5. Step 5: Solve for x
    x = 187,394,377,547,338.81/20,476,966
  6. Step 6: Final answer
    x = 9,151,471.83

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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.