Home / 12,269,448.12-18,404,172.18-3,749,809.08

Finding the Fourth Proportional to 12,269,448.12, 18,404,172.18 and 3,749,809.08

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Solution

The fourth proportional to 12,269,448.12, 18,404,172.18 and 3,749,809.08 is: 5,624,713.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269,448.12 : 18,404,172.18 = 3,749,809.08 : x
  2. Step 2: Convert to fraction form
    12,269,448.12/18,404,172.18 = 3,749,809.08/x
  3. Step 3: Cross multiply
    12,269,448.12x = 18,404,172.18 × 3,749,809.08
  4. Step 4: Simplify right side
    12,269,448.12x = 69,012,131,950,447.40
  5. Step 5: Solve for x
    x = 69,012,131,950,447.40/12,269,448.12
  6. Step 6: Final answer
    x = 5,624,713.62

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Similar ratio
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1.5x scale

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.