Home / 17,429,103.90-26,093,169.92-13,129,262.93

Finding the Fourth Proportional to 17,429,103.90, 26,093,169.92 and 13,129,262.93

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Solution

The fourth proportional to 17,429,103.90, 26,093,169.92 and 13,129,262.93 is: 19,655,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,429,103.90 : 26,093,169.92 = 13,129,262.93 : x
  2. Step 2: Convert to fraction form
    17,429,103.90/26,093,169.92 = 13,129,262.93/x
  3. Step 3: Cross multiply
    17,429,103.90x = 26,093,169.92 × 13,129,262.93
  4. Step 4: Simplify right side
    17,429,103.90x = 342,584,088,654,903.12
  5. Step 5: Solve for x
    x = 342,584,088,654,903.12/17,429,103.90
  6. Step 6: Final answer
    x = 19,655,863.58

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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.