Home / 20,799,183.10-31,209,653.94-8,512,267.18

Finding the Fourth Proportional to 20,799,183.10, 31,209,653.94 and 8,512,267.18

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Solution

The fourth proportional to 20,799,183.10, 31,209,653.94 and 8,512,267.18 is: 12,772,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799,183.10 : 31,209,653.94 = 8,512,267.18 : x
  2. Step 2: Convert to fraction form
    20,799,183.10/31,209,653.94 = 8,512,267.18/x
  3. Step 3: Cross multiply
    20,799,183.10x = 31,209,653.94 × 8,512,267.18
  4. Step 4: Simplify right side
    20,799,183.10x = 265,664,912,932,619.69
  5. Step 5: Solve for x
    x = 265,664,912,932,619.69/20,799,183.10
  6. Step 6: Final answer
    x = 12,772,853.22

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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.