Home / 18,144,074.40-27,195,116.40-7,356,040.80

Finding the Fourth Proportional to 18,144,074.40, 27,195,116.40 and 7,356,040.80

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Solution

The fourth proportional to 18,144,074.40, 27,195,116.40 and 7,356,040.80 is: 11,025,549.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,074.40 : 27,195,116.40 = 7,356,040.80 : x
  2. Step 2: Convert to fraction form
    18,144,074.40/27,195,116.40 = 7,356,040.80/x
  3. Step 3: Cross multiply
    18,144,074.40x = 27,195,116.40 × 7,356,040.80
  4. Step 4: Simplify right side
    18,144,074.40x = 200,048,385,799,149.09
  5. Step 5: Solve for x
    x = 200,048,385,799,149.09/18,144,074.40
  6. Step 6: Final answer
    x = 11,025,549.24

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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.