Home / 7,873,512.72-11,810,269.23-1,889,880.72

Finding the Fourth Proportional to 7,873,512.72, 11,810,269.23 and 1,889,880.72

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Solution

The fourth proportional to 7,873,512.72, 11,810,269.23 and 1,889,880.72 is: 2,834,821.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873,512.72 : 11,810,269.23 = 1,889,880.72 : x
  2. Step 2: Convert to fraction form
    7,873,512.72/11,810,269.23 = 1,889,880.72/x
  3. Step 3: Cross multiply
    7,873,512.72x = 11,810,269.23 × 1,889,880.72
  4. Step 4: Simplify right side
    7,873,512.72x = 22,320,000,115,786.25
  5. Step 5: Solve for x
    x = 22,320,000,115,786.25/7,873,512.72
  6. Step 6: Final answer
    x = 2,834,821.12

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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.