Home / 11,915,951.40-17,859,930.30-5,512,677.84

Finding the Fourth Proportional to 11,915,951.40, 17,859,930.30 and 5,512,677.84

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Solution

The fourth proportional to 11,915,951.40, 17,859,930.30 and 5,512,677.84 is: 8,262,541.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,915,951.40 : 17,859,930.30 = 5,512,677.84 : x
  2. Step 2: Convert to fraction form
    11,915,951.40/17,859,930.30 = 5,512,677.84/x
  3. Step 3: Cross multiply
    11,915,951.40x = 17,859,930.30 × 5,512,677.84
  4. Step 4: Simplify right side
    11,915,951.40x = 98,456,041,988,754.55
  5. Step 5: Solve for x
    x = 98,456,041,988,754.55/11,915,951.40
  6. Step 6: Final answer
    x = 8,262,541.42

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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.