Home / 13,400,933.92-18,496,573.20-7,603,109.28

Finding the Fourth Proportional to 13,400,933.92, 18,496,573.20 and 7,603,109.28

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Solution

The fourth proportional to 13,400,933.92, 18,496,573.20 and 7,603,109.28 is: 10,494,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400,933.92 : 18,496,573.20 = 7,603,109.28 : x
  2. Step 2: Convert to fraction form
    13,400,933.92/18,496,573.20 = 7,603,109.28/x
  3. Step 3: Cross multiply
    13,400,933.92x = 18,496,573.20 × 7,603,109.28
  4. Step 4: Simplify right side
    13,400,933.92x = 140,631,467,345,119.30
  5. Step 5: Solve for x
    x = 140,631,467,345,119.30/13,400,933.92
  6. Step 6: Final answer
    x = 10,494,154.23

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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.