Home / 11,795,890.25-16,269,943.40-7,873,668.84

Finding the Fourth Proportional to 11,795,890.25, 16,269,943.40 and 7,873,668.84

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Solution

The fourth proportional to 11,795,890.25, 16,269,943.40 and 7,873,668.84 is: 10,860,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,795,890.25 : 16,269,943.40 = 7,873,668.84 : x
  2. Step 2: Convert to fraction form
    11,795,890.25/16,269,943.40 = 7,873,668.84/x
  3. Step 3: Cross multiply
    11,795,890.25x = 16,269,943.40 × 7,873,668.84
  4. Step 4: Simplify right side
    11,795,890.25x = 128,104,146,377,143.66
  5. Step 5: Solve for x
    x = 128,104,146,377,143.66/11,795,890.25
  6. Step 6: Final answer
    x = 10,860,065.98

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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.