Home / 27,891,145.80-41,836,718.70-19,281,801.60

Finding the Fourth Proportional to 27,891,145.80, 41,836,718.70 and 19,281,801.60

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Solution

The fourth proportional to 27,891,145.80, 41,836,718.70 and 19,281,801.60 is: 28,922,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,891,145.80 : 41,836,718.70 = 19,281,801.60 : x
  2. Step 2: Convert to fraction form
    27,891,145.80/41,836,718.70 = 19,281,801.60/x
  3. Step 3: Cross multiply
    27,891,145.80x = 41,836,718.70 × 19,281,801.60
  4. Step 4: Simplify right side
    27,891,145.80x = 806,687,309,568,410
  5. Step 5: Solve for x
    x = 806,687,309,568,410/27,891,145.80
  6. Step 6: Final answer
    x = 28,922,702.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.