Home / 20,393,776.46-30,579,483.49-8,085,270.75

Finding the Fourth Proportional to 20,393,776.46, 30,579,483.49 and 8,085,270.75

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Solution

The fourth proportional to 20,393,776.46, 30,579,483.49 and 8,085,270.75 is: 12,123,473.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,393,776.46 : 30,579,483.49 = 8,085,270.75 : x
  2. Step 2: Convert to fraction form
    20,393,776.46/30,579,483.49 = 8,085,270.75/x
  3. Step 3: Cross multiply
    20,393,776.46x = 30,579,483.49 × 8,085,270.75
  4. Step 4: Simplify right side
    20,393,776.46x = 247,243,403,322,398.31
  5. Step 5: Solve for x
    x = 247,243,403,322,398.31/20,393,776.46
  6. Step 6: Final answer
    x = 12,123,473.25

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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.