Home / 14,987,704.50-20,684,233.90-11,915,581.10

Finding the Fourth Proportional to 14,987,704.50, 20,684,233.90 and 11,915,581.10

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Solution

The fourth proportional to 14,987,704.50, 20,684,233.90 and 11,915,581.10 is: 16,444,457.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987,704.50 : 20,684,233.90 = 11,915,581.10 : x
  2. Step 2: Convert to fraction form
    14,987,704.50/20,684,233.90 = 11,915,581.10/x
  3. Step 3: Cross multiply
    14,987,704.50x = 20,684,233.90 × 11,915,581.10
  4. Step 4: Simplify right side
    14,987,704.50x = 246,464,666,526,819.25
  5. Step 5: Solve for x
    x = 246,464,666,526,819.25/14,987,704.50
  6. Step 6: Final answer
    x = 16,444,457.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.