Home / 30,234,453.50-45,351,846.40-7,515,350.76

Finding the Fourth Proportional to 30,234,453.50, 45,351,846.40 and 7,515,350.76

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Solution

The fourth proportional to 30,234,453.50, 45,351,846.40 and 7,515,350.76 is: 11,273,067.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,234,453.50 : 45,351,846.40 = 7,515,350.76 : x
  2. Step 2: Convert to fraction form
    30,234,453.50/45,351,846.40 = 7,515,350.76/x
  3. Step 3: Cross multiply
    30,234,453.50x = 45,351,846.40 × 7,515,350.76
  4. Step 4: Simplify right side
    30,234,453.50x = 340,835,033,309,643.25
  5. Step 5: Solve for x
    x = 340,835,033,309,643.25/30,234,453.50
  6. Step 6: Final answer
    x = 11,273,067.44

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1.5x scale

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.