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Finding the Fourth Proportional to 18,097,363.70, 27,146,045.55 and 10,917,005.30

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Solution

The fourth proportional to 18,097,363.70, 27,146,045.55 and 10,917,005.30 is: 16,375,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097,363.70 : 27,146,045.55 = 10,917,005.30 : x
  2. Step 2: Convert to fraction form
    18,097,363.70/27,146,045.55 = 10,917,005.30/x
  3. Step 3: Cross multiply
    18,097,363.70x = 27,146,045.55 × 10,917,005.30
  4. Step 4: Simplify right side
    18,097,363.70x = 296,353,523,143,391.44
  5. Step 5: Solve for x
    x = 296,353,523,143,391.44/18,097,363.70
  6. Step 6: Final answer
    x = 16,375,507.95

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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.