Home / 11,020,763.70-16,531,145.55-8,186,411.70

Finding the Fourth Proportional to 11,020,763.70, 16,531,145.55 and 8,186,411.70

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Solution

The fourth proportional to 11,020,763.70, 16,531,145.55 and 8,186,411.70 is: 12,279,617.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020,763.70 : 16,531,145.55 = 8,186,411.70 : x
  2. Step 2: Convert to fraction form
    11,020,763.70/16,531,145.55 = 8,186,411.70/x
  3. Step 3: Cross multiply
    11,020,763.70x = 16,531,145.55 × 8,186,411.70
  4. Step 4: Simplify right side
    11,020,763.70x = 135,330,763,344,922.94
  5. Step 5: Solve for x
    x = 135,330,763,344,922.94/11,020,763.70
  6. Step 6: Final answer
    x = 12,279,617.55

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Double scale
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Similar ratio
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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.