Home / 13,438,789.92-20,161,042.56-4,341,409.38

Finding the Fourth Proportional to 13,438,789.92, 20,161,042.56 and 4,341,409.38

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Solution

The fourth proportional to 13,438,789.92, 20,161,042.56 and 4,341,409.38 is: 6,513,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438,789.92 : 20,161,042.56 = 4,341,409.38 : x
  2. Step 2: Convert to fraction form
    13,438,789.92/20,161,042.56 = 4,341,409.38/x
  3. Step 3: Cross multiply
    13,438,789.92x = 20,161,042.56 × 4,341,409.38
  4. Step 4: Simplify right side
    13,438,789.92x = 87,527,339,280,563.20
  5. Step 5: Solve for x
    x = 87,527,339,280,563.20/13,438,789.92
  6. Step 6: Final answer
    x = 6,513,037.25

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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.