Home / 11,190,511.55-16,784,805.72-6,812,514.46

Finding the Fourth Proportional to 11,190,511.55, 16,784,805.72 and 6,812,514.46

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Solution

The fourth proportional to 11,190,511.55, 16,784,805.72 and 6,812,514.46 is: 10,218,186.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190,511.55 : 16,784,805.72 = 6,812,514.46 : x
  2. Step 2: Convert to fraction form
    11,190,511.55/16,784,805.72 = 6,812,514.46/x
  3. Step 3: Cross multiply
    11,190,511.55x = 16,784,805.72 × 6,812,514.46
  4. Step 4: Simplify right side
    11,190,511.55x = 114,346,731,675,790.70
  5. Step 5: Solve for x
    x = 114,346,731,675,790.70/11,190,511.55
  6. Step 6: Final answer
    x = 10,218,186.29

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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.