Home / 21,482,257.80-32,241,012.30-21,314,296.20

Finding the Fourth Proportional to 21,482,257.80, 32,241,012.30 and 21,314,296.20

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Solution

The fourth proportional to 21,482,257.80, 32,241,012.30 and 21,314,296.20 is: 31,988,932.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482,257.80 : 32,241,012.30 = 21,314,296.20 : x
  2. Step 2: Convert to fraction form
    21,482,257.80/32,241,012.30 = 21,314,296.20/x
  3. Step 3: Cross multiply
    21,482,257.80x = 32,241,012.30 × 21,314,296.20
  4. Step 4: Simplify right side
    21,482,257.80x = 687,194,485,950,043.25
  5. Step 5: Solve for x
    x = 687,194,485,950,043.25/21,482,257.80
  6. Step 6: Final answer
    x = 31,988,932.09

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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.