Home / 22,319,919.30-30,800,440.26-12,397,445.22

Finding the Fourth Proportional to 22,319,919.30, 30,800,440.26 and 12,397,445.22

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Solution

The fourth proportional to 22,319,919.30, 30,800,440.26 and 12,397,445.22 is: 17,107,892.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319,919.30 : 30,800,440.26 = 12,397,445.22 : x
  2. Step 2: Convert to fraction form
    22,319,919.30/30,800,440.26 = 12,397,445.22/x
  3. Step 3: Cross multiply
    22,319,919.30x = 30,800,440.26 × 12,397,445.22
  4. Step 4: Simplify right side
    22,319,919.30x = 381,846,770,875,232.62
  5. Step 5: Solve for x
    x = 381,846,770,875,232.62/22,319,919.30
  6. Step 6: Final answer
    x = 17,107,892.09

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1.5x scale

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.