Home / 20,165,086.18-30,247,473.75-5,018,915.62

Finding the Fourth Proportional to 20,165,086.18, 30,247,473.75 and 5,018,915.62

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Solution

The fourth proportional to 20,165,086.18, 30,247,473.75 and 5,018,915.62 is: 7,528,334.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,086.18 : 30,247,473.75 = 5,018,915.62 : x
  2. Step 2: Convert to fraction form
    20,165,086.18/30,247,473.75 = 5,018,915.62/x
  3. Step 3: Cross multiply
    20,165,086.18x = 30,247,473.75 × 5,018,915.62
  4. Step 4: Simplify right side
    20,165,086.18x = 151,809,518,469,414.97
  5. Step 5: Solve for x
    x = 151,809,518,469,414.97/20,165,086.18
  6. Step 6: Final answer
    x = 7,528,334.72

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1.5x scale

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.