Home / 11,867,121.69-16,376,949.95-6,711,254.25

Finding the Fourth Proportional to 11,867,121.69, 16,376,949.95 and 6,711,254.25

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Solution

The fourth proportional to 11,867,121.69, 16,376,949.95 and 6,711,254.25 is: 9,261,712.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867,121.69 : 16,376,949.95 = 6,711,254.25 : x
  2. Step 2: Convert to fraction form
    11,867,121.69/16,376,949.95 = 6,711,254.25/x
  3. Step 3: Cross multiply
    11,867,121.69x = 16,376,949.95 × 6,711,254.25
  4. Step 4: Simplify right side
    11,867,121.69x = 109,909,874,920,418.52
  5. Step 5: Solve for x
    x = 109,909,874,920,418.52/11,867,121.69
  6. Step 6: Final answer
    x = 9,261,712.97

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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.