Home / 12,598,961.40-18,877,446.90-11,843,134.20

Finding the Fourth Proportional to 12,598,961.40, 18,877,446.90 and 11,843,134.20

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Solution

The fourth proportional to 12,598,961.40, 18,877,446.90 and 11,843,134.20 is: 17,744,965.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,598,961.40 : 18,877,446.90 = 11,843,134.20 : x
  2. Step 2: Convert to fraction form
    12,598,961.40/18,877,446.90 = 11,843,134.20/x
  3. Step 3: Cross multiply
    12,598,961.40x = 18,877,446.90 × 11,843,134.20
  4. Step 4: Simplify right side
    12,598,961.40x = 223,568,136,990,073.94
  5. Step 5: Solve for x
    x = 223,568,136,990,073.94/12,598,961.40
  6. Step 6: Final answer
    x = 17,744,965.63

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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.