Home / 12,096,019.20-18,144,028.80-10,269,436.80

Finding the Fourth Proportional to 12,096,019.20, 18,144,028.80 and 10,269,436.80

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Solution

The fourth proportional to 12,096,019.20, 18,144,028.80 and 10,269,436.80 is: 15,404,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,019.20 : 18,144,028.80 = 10,269,436.80 : x
  2. Step 2: Convert to fraction form
    12,096,019.20/18,144,028.80 = 10,269,436.80/x
  3. Step 3: Cross multiply
    12,096,019.20x = 18,144,028.80 × 10,269,436.80
  4. Step 4: Simplify right side
    12,096,019.20x = 186,328,957,058,979.88
  5. Step 5: Solve for x
    x = 186,328,957,058,979.88/12,096,019.20
  6. Step 6: Final answer
    x = 15,404,155.20

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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.