Home / 18,601,649.20-27,887,416.44-5,815,572.40

Finding the Fourth Proportional to 18,601,649.20, 27,887,416.44 and 5,815,572.40

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Solution

The fourth proportional to 18,601,649.20, 27,887,416.44 and 5,815,572.40 is: 8,718,651.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601,649.20 : 27,887,416.44 = 5,815,572.40 : x
  2. Step 2: Convert to fraction form
    18,601,649.20/27,887,416.44 = 5,815,572.40/x
  3. Step 3: Cross multiply
    18,601,649.20x = 27,887,416.44 × 5,815,572.40
  4. Step 4: Simplify right side
    18,601,649.20x = 162,181,289,355,770.28
  5. Step 5: Solve for x
    x = 162,181,289,355,770.28/18,601,649.20
  6. Step 6: Final answer
    x = 8,718,651.11

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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.