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Finding the Fourth Proportional to 18,103,616.70, 27,119,995.65 and 10,893,733.80

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Solution

The fourth proportional to 18,103,616.70, 27,119,995.65 and 10,893,733.80 is: 16,319,281.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103,616.70 : 27,119,995.65 = 10,893,733.80 : x
  2. Step 2: Convert to fraction form
    18,103,616.70/27,119,995.65 = 10,893,733.80/x
  3. Step 3: Cross multiply
    18,103,616.70x = 27,119,995.65 × 10,893,733.80
  4. Step 4: Simplify right side
    18,103,616.70x = 295,438,013,268,258
  5. Step 5: Solve for x
    x = 295,438,013,268,258/18,103,616.70
  6. Step 6: Final answer
    x = 16,319,281.29

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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.