Home / 18,927,951.88-28,391,924.58-5,983,189.59

Finding the Fourth Proportional to 18,927,951.88, 28,391,924.58 and 5,983,189.59

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Solution

The fourth proportional to 18,927,951.88, 28,391,924.58 and 5,983,189.59 is: 8,974,783.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927,951.88 : 28,391,924.58 = 5,983,189.59 : x
  2. Step 2: Convert to fraction form
    18,927,951.88/28,391,924.58 = 5,983,189.59/x
  3. Step 3: Cross multiply
    18,927,951.88x = 28,391,924.58 × 5,983,189.59
  4. Step 4: Simplify right side
    18,927,951.88x = 169,874,267,587,121.09
  5. Step 5: Solve for x
    x = 169,874,267,587,121.09/18,927,951.88
  6. Step 6: Final answer
    x = 8,974,783.36

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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.