Home / 12,530,173.80-18,795,260.70-7,491,325.80

Finding the Fourth Proportional to 12,530,173.80, 18,795,260.70 and 7,491,325.80

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Solution

The fourth proportional to 12,530,173.80, 18,795,260.70 and 7,491,325.80 is: 11,236,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530,173.80 : 18,795,260.70 = 7,491,325.80 : x
  2. Step 2: Convert to fraction form
    12,530,173.80/18,795,260.70 = 7,491,325.80/x
  3. Step 3: Cross multiply
    12,530,173.80x = 18,795,260.70 × 7,491,325.80
  4. Step 4: Simplify right side
    12,530,173.80x = 140,801,421,399,636.06
  5. Step 5: Solve for x
    x = 140,801,421,399,636.06/12,530,173.80
  6. Step 6: Final answer
    x = 11,236,988.70

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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.