Home / 22,159,305.22-33,240,860.79-7,781,137.06

Finding the Fourth Proportional to 22,159,305.22, 33,240,860.79 and 7,781,137.06

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Solution

The fourth proportional to 22,159,305.22, 33,240,860.79 and 7,781,137.06 is: 11,672,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,159,305.22 : 33,240,860.79 = 7,781,137.06 : x
  2. Step 2: Convert to fraction form
    22,159,305.22/33,240,860.79 = 7,781,137.06/x
  3. Step 3: Cross multiply
    22,159,305.22x = 33,240,860.79 × 7,781,137.06
  4. Step 4: Simplify right side
    22,159,305.22x = 258,651,693,799,369.84
  5. Step 5: Solve for x
    x = 258,651,693,799,369.84/22,159,305.22
  6. Step 6: Final answer
    x = 11,672,373.81

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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.