Home / 40,809,021.72-61,146,346.50-28,514,232.60

Finding the Fourth Proportional to 40,809,021.72, 61,146,346.50 and 28,514,232.60

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Solution

The fourth proportional to 40,809,021.72, 61,146,346.50 and 28,514,232.60 is: 42,724,404.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,809,021.72 : 61,146,346.50 = 28,514,232.60 : x
  2. Step 2: Convert to fraction form
    40,809,021.72/61,146,346.50 = 28,514,232.60/x
  3. Step 3: Cross multiply
    40,809,021.72x = 61,146,346.50 × 28,514,232.60
  4. Step 4: Simplify right side
    40,809,021.72x = 1,743,541,146,741,196
  5. Step 5: Solve for x
    x = 1,743,541,146,741,196/40,809,021.72
  6. Step 6: Final answer
    x = 42,724,404.39

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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.