Home / 13,105,234.80-19,669,516.20-7,707,135.60

Finding the Fourth Proportional to 13,105,234.80, 19,669,516.20 and 7,707,135.60

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Solution

The fourth proportional to 13,105,234.80, 19,669,516.20 and 7,707,135.60 is: 11,567,562.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105,234.80 : 19,669,516.20 = 7,707,135.60 : x
  2. Step 2: Convert to fraction form
    13,105,234.80/19,669,516.20 = 7,707,135.60/x
  3. Step 3: Cross multiply
    13,105,234.80x = 19,669,516.20 × 7,707,135.60
  4. Step 4: Simplify right side
    13,105,234.80x = 151,595,628,539,796.72
  5. Step 5: Solve for x
    x = 151,595,628,539,796.72/13,105,234.80
  6. Step 6: Final answer
    x = 11,567,562.95

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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.