Home / 13,289,400-19,920,481.92-10,087,748.64

Finding the Fourth Proportional to 13,289,400, 19,920,481.92 and 10,087,748.64

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Solution

The fourth proportional to 13,289,400, 19,920,481.92 and 10,087,748.64 is: 15,121,285.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289,400 : 19,920,481.92 = 10,087,748.64 : x
  2. Step 2: Convert to fraction form
    13,289,400/19,920,481.92 = 10,087,748.64/x
  3. Step 3: Cross multiply
    13,289,400x = 19,920,481.92 × 10,087,748.64
  4. Step 4: Simplify right side
    13,289,400x = 200,952,814,396,624.62
  5. Step 5: Solve for x
    x = 200,952,814,396,624.62/13,289,400
  6. Step 6: Final answer
    x = 15,121,285.72

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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.