Home / 15,422,033.68-21,282,639.23-8,452,655.47

Finding the Fourth Proportional to 15,422,033.68, 21,282,639.23 and 8,452,655.47

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Solution

The fourth proportional to 15,422,033.68, 21,282,639.23 and 8,452,655.47 is: 11,664,792.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422,033.68 : 21,282,639.23 = 8,452,655.47 : x
  2. Step 2: Convert to fraction form
    15,422,033.68/21,282,639.23 = 8,452,655.47/x
  3. Step 3: Cross multiply
    15,422,033.68x = 21,282,639.23 × 8,452,655.47
  4. Step 4: Simplify right side
    15,422,033.68x = 179,894,816,951,231.03
  5. Step 5: Solve for x
    x = 179,894,816,951,231.03/15,422,033.68
  6. Step 6: Final answer
    x = 11,664,792.12

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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.