Home / 20,883,525-31,356,037.89-11,679,530.22

Finding the Fourth Proportional to 20,883,525, 31,356,037.89 and 11,679,530.22

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Solution

The fourth proportional to 20,883,525, 31,356,037.89 and 11,679,530.22 is: 17,536,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,525 : 31,356,037.89 = 11,679,530.22 : x
  2. Step 2: Convert to fraction form
    20,883,525/31,356,037.89 = 11,679,530.22/x
  3. Step 3: Cross multiply
    20,883,525x = 31,356,037.89 × 11,679,530.22
  4. Step 4: Simplify right side
    20,883,525x = 366,223,792,115,720.06
  5. Step 5: Solve for x
    x = 366,223,792,115,720.06/20,883,525
  6. Step 6: Final answer
    x = 17,536,493.10

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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.