Home / 30,045,121.58-45,119,257.50-18,441,629.88

Finding the Fourth Proportional to 30,045,121.58, 45,119,257.50 and 18,441,629.88

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Solution

The fourth proportional to 30,045,121.58, 45,119,257.50 and 18,441,629.88 is: 27,694,101.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,045,121.58 : 45,119,257.50 = 18,441,629.88 : x
  2. Step 2: Convert to fraction form
    30,045,121.58/45,119,257.50 = 18,441,629.88/x
  3. Step 3: Cross multiply
    30,045,121.58x = 45,119,257.50 × 18,441,629.88
  4. Step 4: Simplify right side
    30,045,121.58x = 832,072,647,275,414
  5. Step 5: Solve for x
    x = 832,072,647,275,414/30,045,121.58
  6. Step 6: Final answer
    x = 27,694,101.52

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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.