Home / 13,337,844.45-18,396,069.57-11,480,421.09

Finding the Fourth Proportional to 13,337,844.45, 18,396,069.57 and 11,480,421.09

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Solution

The fourth proportional to 13,337,844.45, 18,396,069.57 and 11,480,421.09 is: 15,834,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337,844.45 : 18,396,069.57 = 11,480,421.09 : x
  2. Step 2: Convert to fraction form
    13,337,844.45/18,396,069.57 = 11,480,421.09/x
  3. Step 3: Cross multiply
    13,337,844.45x = 18,396,069.57 × 11,480,421.09
  4. Step 4: Simplify right side
    13,337,844.45x = 211,194,625,133,520.50
  5. Step 5: Solve for x
    x = 211,194,625,133,520.50/13,337,844.45
  6. Step 6: Final answer
    x = 15,834,239.63

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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.