Home / 11,500,517.70-15,869,488.08-6,343,878.84

Finding the Fourth Proportional to 11,500,517.70, 15,869,488.08 and 6,343,878.84

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Solution

The fourth proportional to 11,500,517.70, 15,869,488.08 and 6,343,878.84 is: 8,753,876.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,500,517.70 : 15,869,488.08 = 6,343,878.84 : x
  2. Step 2: Convert to fraction form
    11,500,517.70/15,869,488.08 = 6,343,878.84/x
  3. Step 3: Cross multiply
    11,500,517.70x = 15,869,488.08 × 6,343,878.84
  4. Step 4: Simplify right side
    11,500,517.70x = 100,674,109,632,344.22
  5. Step 5: Solve for x
    x = 100,674,109,632,344.22/11,500,517.70
  6. Step 6: Final answer
    x = 8,753,876.33

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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.