Home / 17,869,839.80-26,804,759.70-5,090,178.20

Finding the Fourth Proportional to 17,869,839.80, 26,804,759.70 and 5,090,178.20

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Solution

The fourth proportional to 17,869,839.80, 26,804,759.70 and 5,090,178.20 is: 7,635,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,869,839.80 : 26,804,759.70 = 5,090,178.20 : x
  2. Step 2: Convert to fraction form
    17,869,839.80/26,804,759.70 = 5,090,178.20/x
  3. Step 3: Cross multiply
    17,869,839.80x = 26,804,759.70 × 5,090,178.20
  4. Step 4: Simplify right side
    17,869,839.80x = 136,441,003,481,178.55
  5. Step 5: Solve for x
    x = 136,441,003,481,178.55/17,869,839.80
  6. Step 6: Final answer
    x = 7,635,267.30

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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.