Home / 21,969,520.68-30,319,734.60-12,183,034.44

Finding the Fourth Proportional to 21,969,520.68, 30,319,734.60 and 12,183,034.44

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Solution

The fourth proportional to 21,969,520.68, 30,319,734.60 and 12,183,034.44 is: 16,813,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,969,520.68 : 30,319,734.60 = 12,183,034.44 : x
  2. Step 2: Convert to fraction form
    21,969,520.68/30,319,734.60 = 12,183,034.44/x
  3. Step 3: Cross multiply
    21,969,520.68x = 30,319,734.60 × 12,183,034.44
  4. Step 4: Simplify right side
    21,969,520.68x = 369,386,370,843,459.62
  5. Step 5: Solve for x
    x = 369,386,370,843,459.62/21,969,520.68
  6. Step 6: Final answer
    x = 16,813,583.52

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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.