Home / 15,150,190.23-20,863,226.77-13,162,406.56

Finding the Fourth Proportional to 15,150,190.23, 20,863,226.77 and 13,162,406.56

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Solution

The fourth proportional to 15,150,190.23, 20,863,226.77 and 13,162,406.56 is: 18,125,863.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150,190.23 : 20,863,226.77 = 13,162,406.56 : x
  2. Step 2: Convert to fraction form
    15,150,190.23/20,863,226.77 = 13,162,406.56/x
  3. Step 3: Cross multiply
    15,150,190.23x = 20,863,226.77 × 13,162,406.56
  4. Step 4: Simplify right side
    15,150,190.23x = 274,610,272,815,151.50
  5. Step 5: Solve for x
    x = 274,610,272,815,151.50/15,150,190.23
  6. Step 6: Final answer
    x = 18,125,863.02

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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.