Home / 13,286,051.70-19,929,077.55-11,606,435.70

Finding the Fourth Proportional to 13,286,051.70, 19,929,077.55 and 11,606,435.70

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Solution

The fourth proportional to 13,286,051.70, 19,929,077.55 and 11,606,435.70 is: 17,409,653.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,051.70 : 19,929,077.55 = 11,606,435.70 : x
  2. Step 2: Convert to fraction form
    13,286,051.70/19,929,077.55 = 11,606,435.70/x
  3. Step 3: Cross multiply
    13,286,051.70x = 19,929,077.55 × 11,606,435.70
  4. Step 4: Simplify right side
    13,286,051.70x = 231,305,557,144,388.53
  5. Step 5: Solve for x
    x = 231,305,557,144,388.53/13,286,051.70
  6. Step 6: Final answer
    x = 17,409,653.55

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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.