Home / 20,510,231.70-30,765,347.55-5,364,163.20

Finding the Fourth Proportional to 20,510,231.70, 30,765,347.55 and 5,364,163.20

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Solution

The fourth proportional to 20,510,231.70, 30,765,347.55 and 5,364,163.20 is: 8,046,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,510,231.70 : 30,765,347.55 = 5,364,163.20 : x
  2. Step 2: Convert to fraction form
    20,510,231.70/30,765,347.55 = 5,364,163.20/x
  3. Step 3: Cross multiply
    20,510,231.70x = 30,765,347.55 × 5,364,163.20
  4. Step 4: Simplify right side
    20,510,231.70x = 165,030,345,162,920.16
  5. Step 5: Solve for x
    x = 165,030,345,162,920.16/20,510,231.70
  6. Step 6: Final answer
    x = 8,046,244.80

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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.