Home / 7,772,921.92-11,659,052.40-2,655,810.64

Finding the Fourth Proportional to 7,772,921.92, 11,659,052.40 and 2,655,810.64

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Solution

The fourth proportional to 7,772,921.92, 11,659,052.40 and 2,655,810.64 is: 3,983,603.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772,921.92 : 11,659,052.40 = 2,655,810.64 : x
  2. Step 2: Convert to fraction form
    7,772,921.92/11,659,052.40 = 2,655,810.64/x
  3. Step 3: Cross multiply
    7,772,921.92x = 11,659,052.40 × 2,655,810.64
  4. Step 4: Simplify right side
    7,772,921.92x = 30,964,235,416,237.54
  5. Step 5: Solve for x
    x = 30,964,235,416,237.54/7,772,921.92
  6. Step 6: Final answer
    x = 3,983,603.04

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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.