Home / 20,183,604.30-30,275,406.45-11,538,830.70

Finding the Fourth Proportional to 20,183,604.30, 30,275,406.45 and 11,538,830.70

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Solution

The fourth proportional to 20,183,604.30, 30,275,406.45 and 11,538,830.70 is: 17,308,246.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183,604.30 : 30,275,406.45 = 11,538,830.70 : x
  2. Step 2: Convert to fraction form
    20,183,604.30/30,275,406.45 = 11,538,830.70/x
  3. Step 3: Cross multiply
    20,183,604.30x = 30,275,406.45 × 11,538,830.70
  4. Step 4: Simplify right side
    20,183,604.30x = 349,342,789,400,238
  5. Step 5: Solve for x
    x = 349,342,789,400,238/20,183,604.30
  6. Step 6: Final answer
    x = 17,308,246.05

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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.