Home / 20,802,744.40-31,194,785.40-8,019,000.40

Finding the Fourth Proportional to 20,802,744.40, 31,194,785.40 and 8,019,000.40

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Solution

The fourth proportional to 20,802,744.40, 31,194,785.40 and 8,019,000.40 is: 12,024,903.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,802,744.40 : 31,194,785.40 = 8,019,000.40 : x
  2. Step 2: Convert to fraction form
    20,802,744.40/31,194,785.40 = 8,019,000.40/x
  3. Step 3: Cross multiply
    20,802,744.40x = 31,194,785.40 × 8,019,000.40
  4. Step 4: Simplify right side
    20,802,744.40x = 250,150,996,600,514.16
  5. Step 5: Solve for x
    x = 250,150,996,600,514.16/20,802,744.40
  6. Step 6: Final answer
    x = 12,024,903.63

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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.