Home / 15,029,619,183.46-20,740,306,255.56-8,347,046,215.42

Finding the Fourth Proportional to 15,029,619,183.46, 20,740,306,255.56 and 8,347,046,215.42

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Solution

The fourth proportional to 15,029,619,183.46, 20,740,306,255.56 and 8,347,046,215.42 is: 11,518,608,204.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,029,619,183.46 : 20,740,306,255.56 = 8,347,046,215.42 : x
  2. Step 2: Convert to fraction form
    15,029,619,183.46/20,740,306,255.56 = 8,347,046,215.42/x
  3. Step 3: Cross multiply
    15,029,619,183.46x = 20,740,306,255.56 × 8,347,046,215.42
  4. Step 4: Simplify right side
    15,029,619,183.46x = 173,120,294,837,123,874,816
  5. Step 5: Solve for x
    x = 173,120,294,837,123,874,816/15,029,619,183.46
  6. Step 6: Final answer
    x = 11,518,608,204.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.