Home / 20,115,282.30-30,172,923.45-6,652,110.30

Finding the Fourth Proportional to 20,115,282.30, 30,172,923.45 and 6,652,110.30

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Solution

The fourth proportional to 20,115,282.30, 30,172,923.45 and 6,652,110.30 is: 9,978,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,115,282.30 : 30,172,923.45 = 6,652,110.30 : x
  2. Step 2: Convert to fraction form
    20,115,282.30/30,172,923.45 = 6,652,110.30/x
  3. Step 3: Cross multiply
    20,115,282.30x = 30,172,923.45 × 6,652,110.30
  4. Step 4: Simplify right side
    20,115,282.30x = 200,713,614,862,856.53
  5. Step 5: Solve for x
    x = 200,713,614,862,856.53/20,115,282.30
  6. Step 6: Final answer
    x = 9,978,165.45

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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.