Home / 13,768,879.20-20,631,740.04-8,709,502.56

Finding the Fourth Proportional to 13,768,879.20, 20,631,740.04 and 8,709,502.56

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Solution

The fourth proportional to 13,768,879.20, 20,631,740.04 and 8,709,502.56 is: 13,050,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768,879.20 : 20,631,740.04 = 8,709,502.56 : x
  2. Step 2: Convert to fraction form
    13,768,879.20/20,631,740.04 = 8,709,502.56/x
  3. Step 3: Cross multiply
    13,768,879.20x = 20,631,740.04 × 8,709,502.56
  4. Step 4: Simplify right side
    13,768,879.20x = 179,692,192,695,634.50
  5. Step 5: Solve for x
    x = 179,692,192,695,634.50/13,768,879.20
  6. Step 6: Final answer
    x = 13,050,604.20

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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.