Home / 15,621,911.60-21,557,997.24-8,746,639.70

Finding the Fourth Proportional to 15,621,911.60, 21,557,997.24 and 8,746,639.70

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Solution

The fourth proportional to 15,621,911.60, 21,557,997.24 and 8,746,639.70 is: 12,070,227.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621,911.60 : 21,557,997.24 = 8,746,639.70 : x
  2. Step 2: Convert to fraction form
    15,621,911.60/21,557,997.24 = 8,746,639.70/x
  3. Step 3: Cross multiply
    15,621,911.60x = 21,557,997.24 × 8,746,639.70
  4. Step 4: Simplify right side
    15,621,911.60x = 188,560,034,404,084.44
  5. Step 5: Solve for x
    x = 188,560,034,404,084.44/15,621,911.60
  6. Step 6: Final answer
    x = 12,070,227.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.