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Finding the Fourth Proportional to 18,073,677.60, 27,131,511.60 and 10,893,319.20

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Solution

The fourth proportional to 18,073,677.60, 27,131,511.60 and 10,893,319.20 is: 16,352,632.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,073,677.60 : 27,131,511.60 = 10,893,319.20 : x
  2. Step 2: Convert to fraction form
    18,073,677.60/27,131,511.60 = 10,893,319.20/x
  3. Step 3: Cross multiply
    18,073,677.60x = 27,131,511.60 × 10,893,319.20
  4. Step 4: Simplify right side
    18,073,677.60x = 295,552,216,237,302.69
  5. Step 5: Solve for x
    x = 295,552,216,237,302.69/18,073,677.60
  6. Step 6: Final answer
    x = 16,352,632.97

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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.