Home / 12,159,911.45-16,780,553.39-6,727,442.33

Finding the Fourth Proportional to 12,159,911.45, 16,780,553.39 and 6,727,442.33

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Solution

The fourth proportional to 12,159,911.45, 16,780,553.39 and 6,727,442.33 is: 9,283,801.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,159,911.45 : 16,780,553.39 = 6,727,442.33 : x
  2. Step 2: Convert to fraction form
    12,159,911.45/16,780,553.39 = 6,727,442.33/x
  3. Step 3: Cross multiply
    12,159,911.45x = 16,780,553.39 × 6,727,442.33
  4. Step 4: Simplify right side
    12,159,911.45x = 112,890,205,163,073.80
  5. Step 5: Solve for x
    x = 112,890,205,163,073.80/12,159,911.45
  6. Step 6: Final answer
    x = 9,283,801.58

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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.