Home / 7,873,821.87-10,865,874.32-4,252,149.87

Finding the Fourth Proportional to 7,873,821.87, 10,865,874.32 and 4,252,149.87

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Solution

The fourth proportional to 7,873,821.87, 10,865,874.32 and 4,252,149.87 is: 5,867,966.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873,821.87 : 10,865,874.32 = 4,252,149.87 : x
  2. Step 2: Convert to fraction form
    7,873,821.87/10,865,874.32 = 4,252,149.87/x
  3. Step 3: Cross multiply
    7,873,821.87x = 10,865,874.32 × 4,252,149.87
  4. Step 4: Simplify right side
    7,873,821.87x = 46,203,326,055,963.59
  5. Step 5: Solve for x
    x = 46,203,326,055,963.59/7,873,821.87
  6. Step 6: Final answer
    x = 5,867,966.89

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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.