Home / 13,037,009.80-19,555,514.70-11,819,288.20

Finding the Fourth Proportional to 13,037,009.80, 19,555,514.70 and 11,819,288.20

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Solution

The fourth proportional to 13,037,009.80, 19,555,514.70 and 11,819,288.20 is: 17,728,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037,009.80 : 19,555,514.70 = 11,819,288.20 : x
  2. Step 2: Convert to fraction form
    13,037,009.80/19,555,514.70 = 11,819,288.20/x
  3. Step 3: Cross multiply
    13,037,009.80x = 19,555,514.70 × 11,819,288.20
  4. Step 4: Simplify right side
    13,037,009.80x = 231,132,264,138,636.53
  5. Step 5: Solve for x
    x = 231,132,264,138,636.53/13,037,009.80
  6. Step 6: Final answer
    x = 17,728,932.30

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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.