Home / 20,603,286.14-28,432,464.63-11,310,624.86

Finding the Fourth Proportional to 20,603,286.14, 28,432,464.63 and 11,310,624.86

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Solution

The fourth proportional to 20,603,286.14, 28,432,464.63 and 11,310,624.86 is: 15,608,623.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,603,286.14 : 28,432,464.63 = 11,310,624.86 : x
  2. Step 2: Convert to fraction form
    20,603,286.14/28,432,464.63 = 11,310,624.86/x
  3. Step 3: Cross multiply
    20,603,286.14x = 28,432,464.63 × 11,310,624.86
  4. Step 4: Simplify right side
    20,603,286.14x = 321,588,941,275,148.69
  5. Step 5: Solve for x
    x = 321,588,941,275,148.69/20,603,286.14
  6. Step 6: Final answer
    x = 15,608,623.75

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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.