Home / 9,949,305.76-13,728,821.20-6,276,837.28

Finding the Fourth Proportional to 9,949,305.76, 13,728,821.20 and 6,276,837.28

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Solution

The fourth proportional to 9,949,305.76, 13,728,821.20 and 6,276,837.28 is: 8,661,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,949,305.76 : 13,728,821.20 = 6,276,837.28 : x
  2. Step 2: Convert to fraction form
    9,949,305.76/13,728,821.20 = 6,276,837.28/x
  3. Step 3: Cross multiply
    9,949,305.76x = 13,728,821.20 × 6,276,837.28
  4. Step 4: Simplify right side
    9,949,305.76x = 86,173,576,718,614.33
  5. Step 5: Solve for x
    x = 86,173,576,718,614.33/9,949,305.76
  6. Step 6: Final answer
    x = 8,661,265.30

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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.