Home / 12,256,064.20-18,384,096.30-9,864,579.70

Finding the Fourth Proportional to 12,256,064.20, 18,384,096.30 and 9,864,579.70

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Solution

The fourth proportional to 12,256,064.20, 18,384,096.30 and 9,864,579.70 is: 14,796,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256,064.20 : 18,384,096.30 = 9,864,579.70 : x
  2. Step 2: Convert to fraction form
    12,256,064.20/18,384,096.30 = 9,864,579.70/x
  3. Step 3: Cross multiply
    12,256,064.20x = 18,384,096.30 × 9,864,579.70
  4. Step 4: Simplify right side
    12,256,064.20x = 181,351,383,163,825.09
  5. Step 5: Solve for x
    x = 181,351,383,163,825.09/12,256,064.20
  6. Step 6: Final answer
    x = 14,796,869.55

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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.