Home / 13,286,053.20-19,929,079.80-11,606,437.20

Finding the Fourth Proportional to 13,286,053.20, 19,929,079.80 and 11,606,437.20

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Solution

The fourth proportional to 13,286,053.20, 19,929,079.80 and 11,606,437.20 is: 17,409,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,053.20 : 19,929,079.80 = 11,606,437.20 : x
  2. Step 2: Convert to fraction form
    13,286,053.20/19,929,079.80 = 11,606,437.20/x
  3. Step 3: Cross multiply
    13,286,053.20x = 19,929,079.80 × 11,606,437.20
  4. Step 4: Simplify right side
    13,286,053.20x = 231,305,613,152,488.56
  5. Step 5: Solve for x
    x = 231,305,613,152,488.56/13,286,053.20
  6. Step 6: Final answer
    x = 17,409,655.80

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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.