Home / 5,518,170.78-8,329,089.87-5,518,170.78

Finding the Fourth Proportional to 5,518,170.78, 8,329,089.87 and 5,518,170.78

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Solution

The fourth proportional to 5,518,170.78, 8,329,089.87 and 5,518,170.78 is: 8,329,089.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518,170.78 : 8,329,089.87 = 5,518,170.78 : x
  2. Step 2: Convert to fraction form
    5,518,170.78/8,329,089.87 = 5,518,170.78/x
  3. Step 3: Cross multiply
    5,518,170.78x = 8,329,089.87 × 5,518,170.78
  4. Step 4: Simplify right side
    5,518,170.78x = 45,961,340,344,628
  5. Step 5: Solve for x
    x = 45,961,340,344,628/5,518,170.78
  6. Step 6: Final answer
    x = 8,329,089.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.