Home / 13,206,388.80-19,809,583.20-12,037,218.60

Finding the Fourth Proportional to 13,206,388.80, 19,809,583.20 and 12,037,218.60

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Solution

The fourth proportional to 13,206,388.80, 19,809,583.20 and 12,037,218.60 is: 18,055,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,388.80 : 19,809,583.20 = 12,037,218.60 : x
  2. Step 2: Convert to fraction form
    13,206,388.80/19,809,583.20 = 12,037,218.60/x
  3. Step 3: Cross multiply
    13,206,388.80x = 19,809,583.20 × 12,037,218.60
  4. Step 4: Simplify right side
    13,206,388.80x = 238,452,283,353,287.50
  5. Step 5: Solve for x
    x = 238,452,283,353,287.50/13,206,388.80
  6. Step 6: Final answer
    x = 18,055,827.90

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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.