Home / 13,458,952.20-20,160,434.70-11,219,464.20

Finding the Fourth Proportional to 13,458,952.20, 20,160,434.70 and 11,219,464.20

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Solution

The fourth proportional to 13,458,952.20, 20,160,434.70 and 11,219,464.20 is: 16,805,860.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458,952.20 : 20,160,434.70 = 11,219,464.20 : x
  2. Step 2: Convert to fraction form
    13,458,952.20/20,160,434.70 = 11,219,464.20/x
  3. Step 3: Cross multiply
    13,458,952.20x = 20,160,434.70 × 11,219,464.20
  4. Step 4: Simplify right side
    13,458,952.20x = 226,189,275,373,087.72
  5. Step 5: Solve for x
    x = 226,189,275,373,087.72/13,458,952.20
  6. Step 6: Final answer
    x = 16,805,860.67

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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.