Home / 18,933,938.93-28,372,005.97-11,242,437.32

Finding the Fourth Proportional to 18,933,938.93, 28,372,005.97 and 11,242,437.32

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Solution

The fourth proportional to 18,933,938.93, 28,372,005.97 and 11,242,437.32 is: 16,846,494.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933,938.93 : 28,372,005.97 = 11,242,437.32 : x
  2. Step 2: Convert to fraction form
    18,933,938.93/28,372,005.97 = 11,242,437.32/x
  3. Step 3: Cross multiply
    18,933,938.93x = 28,372,005.97 × 11,242,437.32
  4. Step 4: Simplify right side
    18,933,938.93x = 318,970,498,803,214.75
  5. Step 5: Solve for x
    x = 318,970,498,803,214.75/18,933,938.93
  6. Step 6: Final answer
    x = 16,846,494.54

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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.