Home / 7,449,128.09-11,181,510.65-6,601,621.85

Finding the Fourth Proportional to 7,449,128.09, 11,181,510.65 and 6,601,621.85

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Solution

The fourth proportional to 7,449,128.09, 11,181,510.65 and 6,601,621.85 is: 9,909,361.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449,128.09 : 11,181,510.65 = 6,601,621.85 : x
  2. Step 2: Convert to fraction form
    7,449,128.09/11,181,510.65 = 6,601,621.85/x
  3. Step 3: Cross multiply
    7,449,128.09x = 11,181,510.65 × 6,601,621.85
  4. Step 4: Simplify right side
    7,449,128.09x = 73,816,104,983,644.20
  5. Step 5: Solve for x
    x = 73,816,104,983,644.20/7,449,128.09
  6. Step 6: Final answer
    x = 9,909,361.76

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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.