Home / 10,990,461.67-15,156,912.38-6,860,876

Finding the Fourth Proportional to 10,990,461.67, 15,156,912.38 and 6,860,876

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Solution

The fourth proportional to 10,990,461.67, 15,156,912.38 and 6,860,876 is: 9,461,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990,461.67 : 15,156,912.38 = 6,860,876 : x
  2. Step 2: Convert to fraction form
    10,990,461.67/15,156,912.38 = 6,860,876/x
  3. Step 3: Cross multiply
    10,990,461.67x = 15,156,912.38 × 6,860,876
  4. Step 4: Simplify right side
    10,990,461.67x = 103,989,696,382,044.89
  5. Step 5: Solve for x
    x = 103,989,696,382,044.89/10,990,461.67
  6. Step 6: Final answer
    x = 9,461,813.30

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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.