Home / 18,438,897.20-27,658,123.32-4,790,835.92

Finding the Fourth Proportional to 18,438,897.20, 27,658,123.32 and 4,790,835.92

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Solution

The fourth proportional to 18,438,897.20, 27,658,123.32 and 4,790,835.92 is: 7,186,196.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438,897.20 : 27,658,123.32 = 4,790,835.92 : x
  2. Step 2: Convert to fraction form
    18,438,897.20/27,658,123.32 = 4,790,835.92/x
  3. Step 3: Cross multiply
    18,438,897.20x = 27,658,123.32 × 4,790,835.92
  4. Step 4: Simplify right side
    18,438,897.20x = 132,505,530,681,245.66
  5. Step 5: Solve for x
    x = 132,505,530,681,245.66/18,438,897.20
  6. Step 6: Final answer
    x = 7,186,196.07

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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.