Home / 19,646,178.80-29,469,268.20-10,080,240.80

Finding the Fourth Proportional to 19,646,178.80, 29,469,268.20 and 10,080,240.80

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Solution

The fourth proportional to 19,646,178.80, 29,469,268.20 and 10,080,240.80 is: 15,120,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,646,178.80 : 29,469,268.20 = 10,080,240.80 : x
  2. Step 2: Convert to fraction form
    19,646,178.80/29,469,268.20 = 10,080,240.80/x
  3. Step 3: Cross multiply
    19,646,178.80x = 29,469,268.20 × 10,080,240.80
  4. Step 4: Simplify right side
    19,646,178.80x = 297,057,319,655,782.56
  5. Step 5: Solve for x
    x = 297,057,319,655,782.56/19,646,178.80
  6. Step 6: Final answer
    x = 15,120,361.20

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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.