Home / 16,810,168.30-25,215,252.45-12,558,640.30

Finding the Fourth Proportional to 16,810,168.30, 25,215,252.45 and 12,558,640.30

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Solution

The fourth proportional to 16,810,168.30, 25,215,252.45 and 12,558,640.30 is: 18,837,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,810,168.30 : 25,215,252.45 = 12,558,640.30 : x
  2. Step 2: Convert to fraction form
    16,810,168.30/25,215,252.45 = 12,558,640.30/x
  3. Step 3: Cross multiply
    16,810,168.30x = 25,215,252.45 × 12,558,640.30
  4. Step 4: Simplify right side
    16,810,168.30x = 316,669,285,593,243.75
  5. Step 5: Solve for x
    x = 316,669,285,593,243.75/16,810,168.30
  6. Step 6: Final answer
    x = 18,837,960.45

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Double scale
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Similar ratio
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1.5x scale

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.