Home / 8,214,530.69-12,319,175.64-2,821,880.81

Finding the Fourth Proportional to 8,214,530.69, 12,319,175.64 and 2,821,880.81

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Solution

The fourth proportional to 8,214,530.69, 12,319,175.64 and 2,821,880.81 is: 4,231,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214,530.69 : 12,319,175.64 = 2,821,880.81 : x
  2. Step 2: Convert to fraction form
    8,214,530.69/12,319,175.64 = 2,821,880.81/x
  3. Step 3: Cross multiply
    8,214,530.69x = 12,319,175.64 × 2,821,880.81
  4. Step 4: Simplify right side
    8,214,530.69x = 34,763,245,333,535.47
  5. Step 5: Solve for x
    x = 34,763,245,333,535.47/8,214,530.69
  6. Step 6: Final answer
    x = 4,231,921.05

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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.