Home / 16,809,161.72-25,223,769.97-8,722,073.12

Finding the Fourth Proportional to 16,809,161.72, 25,223,769.97 and 8,722,073.12

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Solution

The fourth proportional to 16,809,161.72, 25,223,769.97 and 8,722,073.12 is: 13,088,312.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809,161.72 : 25,223,769.97 = 8,722,073.12 : x
  2. Step 2: Convert to fraction form
    16,809,161.72/25,223,769.97 = 8,722,073.12/x
  3. Step 3: Cross multiply
    16,809,161.72x = 25,223,769.97 × 8,722,073.12
  4. Step 4: Simplify right side
    16,809,161.72x = 220,003,565,892,476.19
  5. Step 5: Solve for x
    x = 220,003,565,892,476.19/16,809,161.72
  6. Step 6: Final answer
    x = 13,088,312.77

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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.