Home / 21,496,855.64-32,213,396.98-15,789,179.30

Finding the Fourth Proportional to 21,496,855.64, 32,213,396.98 and 15,789,179.30

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Solution

The fourth proportional to 21,496,855.64, 32,213,396.98 and 15,789,179.30 is: 23,660,348.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,496,855.64 : 32,213,396.98 = 15,789,179.30 : x
  2. Step 2: Convert to fraction form
    21,496,855.64/32,213,396.98 = 15,789,179.30/x
  3. Step 3: Cross multiply
    21,496,855.64x = 32,213,396.98 × 15,789,179.30
  4. Step 4: Simplify right side
    21,496,855.64x = 508,623,100,859,832
  5. Step 5: Solve for x
    x = 508,623,100,859,832/21,496,855.64
  6. Step 6: Final answer
    x = 23,660,348.72

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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.