Home / 21,369,619.92-32,056,410.60-7,726,178.64

Finding the Fourth Proportional to 21,369,619.92, 32,056,410.60 and 7,726,178.64

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Solution

The fourth proportional to 21,369,619.92, 32,056,410.60 and 7,726,178.64 is: 11,589,984.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,369,619.92 : 32,056,410.60 = 7,726,178.64 : x
  2. Step 2: Convert to fraction form
    21,369,619.92/32,056,410.60 = 7,726,178.64/x
  3. Step 3: Cross multiply
    21,369,619.92x = 32,056,410.60 × 7,726,178.64
  4. Step 4: Simplify right side
    21,369,619.92x = 247,673,554,852,789.59
  5. Step 5: Solve for x
    x = 247,673,554,852,789.59/21,369,619.92
  6. Step 6: Final answer
    x = 11,589,984.09

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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.