Home / 14,879,183.59-20,532,139.72-8,351,551.90

Finding the Fourth Proportional to 14,879,183.59, 20,532,139.72 and 8,351,551.90

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Solution

The fourth proportional to 14,879,183.59, 20,532,139.72 and 8,351,551.90 is: 11,524,505.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,879,183.59 : 20,532,139.72 = 8,351,551.90 : x
  2. Step 2: Convert to fraction form
    14,879,183.59/20,532,139.72 = 8,351,551.90/x
  3. Step 3: Cross multiply
    14,879,183.59x = 20,532,139.72 × 8,351,551.90
  4. Step 4: Simplify right side
    14,879,183.59x = 171,475,230,489,631.47
  5. Step 5: Solve for x
    x = 171,475,230,489,631.47/14,879,183.59
  6. Step 6: Final answer
    x = 11,524,505.32

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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.