Home / 5,518,857.12-7,616,022.83-3,072,046.19

Finding the Fourth Proportional to 5,518,857.12, 7,616,022.83 and 3,072,046.19

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Solution

The fourth proportional to 5,518,857.12, 7,616,022.83 and 3,072,046.19 is: 4,239,423.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518,857.12 : 7,616,022.83 = 3,072,046.19 : x
  2. Step 2: Convert to fraction form
    5,518,857.12/7,616,022.83 = 3,072,046.19/x
  3. Step 3: Cross multiply
    5,518,857.12x = 7,616,022.83 × 3,072,046.19
  4. Step 4: Simplify right side
    5,518,857.12x = 23,396,773,931,906.45
  5. Step 5: Solve for x
    x = 23,396,773,931,906.45/5,518,857.12
  6. Step 6: Final answer
    x = 4,239,423.74

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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.