Home / 25,642,080.80-38,463,121.20-7,691,184.80

Finding the Fourth Proportional to 25,642,080.80, 38,463,121.20 and 7,691,184.80

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Solution

The fourth proportional to 25,642,080.80, 38,463,121.20 and 7,691,184.80 is: 11,536,777.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,642,080.80 : 38,463,121.20 = 7,691,184.80 : x
  2. Step 2: Convert to fraction form
    25,642,080.80/38,463,121.20 = 7,691,184.80/x
  3. Step 3: Cross multiply
    25,642,080.80x = 38,463,121.20 × 7,691,184.80
  4. Step 4: Simplify right side
    25,642,080.80x = 295,826,973,133,997.75
  5. Step 5: Solve for x
    x = 295,826,973,133,997.75/25,642,080.80
  6. Step 6: Final answer
    x = 11,536,777.20

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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.