Home / 12,244,543.40-18,366,815.10-10,921,845.80

Finding the Fourth Proportional to 12,244,543.40, 18,366,815.10 and 10,921,845.80

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Solution

The fourth proportional to 12,244,543.40, 18,366,815.10 and 10,921,845.80 is: 16,382,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244,543.40 : 18,366,815.10 = 10,921,845.80 : x
  2. Step 2: Convert to fraction form
    12,244,543.40/18,366,815.10 = 10,921,845.80/x
  3. Step 3: Cross multiply
    12,244,543.40x = 18,366,815.10 × 10,921,845.80
  4. Step 4: Simplify right side
    12,244,543.40x = 200,599,522,359,311.62
  5. Step 5: Solve for x
    x = 200,599,522,359,311.62/12,244,543.40
  6. Step 6: Final answer
    x = 16,382,768.70

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Double scale
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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.