Home / 15,455,229.80-23,182,844.70-12,270,180.20

Finding the Fourth Proportional to 15,455,229.80, 23,182,844.70 and 12,270,180.20

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Solution

The fourth proportional to 15,455,229.80, 23,182,844.70 and 12,270,180.20 is: 18,405,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455,229.80 : 23,182,844.70 = 12,270,180.20 : x
  2. Step 2: Convert to fraction form
    15,455,229.80/23,182,844.70 = 12,270,180.20/x
  3. Step 3: Cross multiply
    15,455,229.80x = 23,182,844.70 × 12,270,180.20
  4. Step 4: Simplify right side
    15,455,229.80x = 284,457,682,017,614.94
  5. Step 5: Solve for x
    x = 284,457,682,017,614.94/15,455,229.80
  6. Step 6: Final answer
    x = 18,405,270.30

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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.