Home / 5,148,758.24-7,105,335.36-2,857,132.16

Finding the Fourth Proportional to 5,148,758.24, 7,105,335.36 and 2,857,132.16

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Solution

The fourth proportional to 5,148,758.24, 7,105,335.36 and 2,857,132.16 is: 3,942,869.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,758.24 : 7,105,335.36 = 2,857,132.16 : x
  2. Step 2: Convert to fraction form
    5,148,758.24/7,105,335.36 = 2,857,132.16/x
  3. Step 3: Cross multiply
    5,148,758.24x = 7,105,335.36 × 2,857,132.16
  4. Step 4: Simplify right side
    5,148,758.24x = 20,300,882,164,641.18
  5. Step 5: Solve for x
    x = 20,300,882,164,641.18/5,148,758.24
  6. Step 6: Final answer
    x = 3,942,869.57

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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.