Home / 7,188,380.40-10,777,321.80-2,926,354.80

Finding the Fourth Proportional to 7,188,380.40, 10,777,321.80 and 2,926,354.80

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Solution

The fourth proportional to 7,188,380.40, 10,777,321.80 and 2,926,354.80 is: 4,387,395.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188,380.40 : 10,777,321.80 = 2,926,354.80 : x
  2. Step 2: Convert to fraction form
    7,188,380.40/10,777,321.80 = 2,926,354.80/x
  3. Step 3: Cross multiply
    7,188,380.40x = 10,777,321.80 × 2,926,354.80
  4. Step 4: Simplify right side
    7,188,380.40x = 31,538,267,380,574.64
  5. Step 5: Solve for x
    x = 31,538,267,380,574.64/7,188,380.40
  6. Step 6: Final answer
    x = 4,387,395.44

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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.