Home / 20,440,387.68-30,651,607.53-7,651,923.45

Finding the Fourth Proportional to 20,440,387.68, 30,651,607.53 and 7,651,923.45

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Solution

The fourth proportional to 20,440,387.68, 30,651,607.53 and 7,651,923.45 is: 11,474,525.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,440,387.68 : 30,651,607.53 = 7,651,923.45 : x
  2. Step 2: Convert to fraction form
    20,440,387.68/30,651,607.53 = 7,651,923.45/x
  3. Step 3: Cross multiply
    20,440,387.68x = 30,651,607.53 × 7,651,923.45
  4. Step 4: Simplify right side
    20,440,387.68x = 234,543,754,439,003.59
  5. Step 5: Solve for x
    x = 234,543,754,439,003.59/20,440,387.68
  6. Step 6: Final answer
    x = 11,474,525.73

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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.