Home / 13,048,194.87-18,006,249.11-7,246,778.27

Finding the Fourth Proportional to 13,048,194.87, 18,006,249.11 and 7,246,778.27

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Solution

The fourth proportional to 13,048,194.87, 18,006,249.11 and 7,246,778.27 is: 10,000,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048,194.87 : 18,006,249.11 = 7,246,778.27 : x
  2. Step 2: Convert to fraction form
    13,048,194.87/18,006,249.11 = 7,246,778.27/x
  3. Step 3: Cross multiply
    13,048,194.87x = 18,006,249.11 × 7,246,778.27
  4. Step 4: Simplify right side
    13,048,194.87x = 130,487,294,648,289.70
  5. Step 5: Solve for x
    x = 130,487,294,648,289.70/13,048,194.87
  6. Step 6: Final answer
    x = 10,000,409.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.