Home / 18,378,059.70-27,567,089.55-7,591,775.70

Finding the Fourth Proportional to 18,378,059.70, 27,567,089.55 and 7,591,775.70

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Solution

The fourth proportional to 18,378,059.70, 27,567,089.55 and 7,591,775.70 is: 11,387,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378,059.70 : 27,567,089.55 = 7,591,775.70 : x
  2. Step 2: Convert to fraction form
    18,378,059.70/27,567,089.55 = 7,591,775.70/x
  3. Step 3: Cross multiply
    18,378,059.70x = 27,567,089.55 × 7,591,775.70
  4. Step 4: Simplify right side
    18,378,059.70x = 209,283,160,565,413.94
  5. Step 5: Solve for x
    x = 209,283,160,565,413.94/18,378,059.70
  6. Step 6: Final answer
    x = 11,387,663.55

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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.