Home / 30,344,850.70-45,517,276.05-21,097,777.30

Finding the Fourth Proportional to 30,344,850.70, 45,517,276.05 and 21,097,777.30

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Solution

The fourth proportional to 30,344,850.70, 45,517,276.05 and 21,097,777.30 is: 31,646,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344,850.70 : 45,517,276.05 = 21,097,777.30 : x
  2. Step 2: Convert to fraction form
    30,344,850.70/45,517,276.05 = 21,097,777.30/x
  3. Step 3: Cross multiply
    30,344,850.70x = 45,517,276.05 × 21,097,777.30
  4. Step 4: Simplify right side
    30,344,850.70x = 960,313,353,405,523.62
  5. Step 5: Solve for x
    x = 960,313,353,405,523.62/30,344,850.70
  6. Step 6: Final answer
    x = 31,646,665.95

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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.