Home / 11,321,996.40-16,964,332.20-9,418,431.60

Finding the Fourth Proportional to 11,321,996.40, 16,964,332.20 and 9,418,431.60

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Solution

The fourth proportional to 11,321,996.40, 16,964,332.20 and 9,418,431.60 is: 14,112,122.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321,996.40 : 16,964,332.20 = 9,418,431.60 : x
  2. Step 2: Convert to fraction form
    11,321,996.40/16,964,332.20 = 9,418,431.60/x
  3. Step 3: Cross multiply
    11,321,996.40x = 16,964,332.20 × 9,418,431.60
  4. Step 4: Simplify right side
    11,321,996.40x = 159,777,402,465,377.50
  5. Step 5: Solve for x
    x = 159,777,402,465,377.50/11,321,996.40
  6. Step 6: Final answer
    x = 14,112,122.71

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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.