Home / 5,518,147.88-8,274,806.55-2,784,013.11

Finding the Fourth Proportional to 5,518,147.88, 8,274,806.55 and 2,784,013.11

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Solution

The fourth proportional to 5,518,147.88, 8,274,806.55 and 2,784,013.11 is: 4,174,801.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518,147.88 : 8,274,806.55 = 2,784,013.11 : x
  2. Step 2: Convert to fraction form
    5,518,147.88/8,274,806.55 = 2,784,013.11/x
  3. Step 3: Cross multiply
    5,518,147.88x = 8,274,806.55 × 2,784,013.11
  4. Step 4: Simplify right side
    5,518,147.88x = 23,037,169,917,913.87
  5. Step 5: Solve for x
    x = 23,037,169,917,913.87/5,518,147.88
  6. Step 6: Final answer
    x = 4,174,801.12

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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.