Home / 12,888,835.08-17,786,566.44-7,383,991.92

Finding the Fourth Proportional to 12,888,835.08, 17,786,566.44 and 7,383,991.92

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Solution

The fourth proportional to 12,888,835.08, 17,786,566.44 and 7,383,991.92 is: 10,189,893.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888,835.08 : 17,786,566.44 = 7,383,991.92 : x
  2. Step 2: Convert to fraction form
    12,888,835.08/17,786,566.44 = 7,383,991.92/x
  3. Step 3: Cross multiply
    12,888,835.08x = 17,786,566.44 × 7,383,991.92
  4. Step 4: Simplify right side
    12,888,835.08x = 131,335,862,877,503.17
  5. Step 5: Solve for x
    x = 131,335,862,877,503.17/12,888,835.08
  6. Step 6: Final answer
    x = 10,189,893.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.