Home / 12,530,172.80-18,795,259.20-11,037,180.80

Finding the Fourth Proportional to 12,530,172.80, 18,795,259.20 and 11,037,180.80

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Solution

The fourth proportional to 12,530,172.80, 18,795,259.20 and 11,037,180.80 is: 16,555,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530,172.80 : 18,795,259.20 = 11,037,180.80 : x
  2. Step 2: Convert to fraction form
    12,530,172.80/18,795,259.20 = 11,037,180.80/x
  3. Step 3: Cross multiply
    12,530,172.80x = 18,795,259.20 × 11,037,180.80
  4. Step 4: Simplify right side
    12,530,172.80x = 207,446,673,973,263.38
  5. Step 5: Solve for x
    x = 207,446,673,973,263.38/12,530,172.80
  6. Step 6: Final answer
    x = 16,555,771.20

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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.