Home / 31,828,836.66-47,648,093.79-19,493,961.36

Finding the Fourth Proportional to 31,828,836.66, 47,648,093.79 and 19,493,961.36

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Solution

The fourth proportional to 31,828,836.66, 47,648,093.79 and 19,493,961.36 is: 29,182,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,828,836.66 : 47,648,093.79 = 19,493,961.36 : x
  2. Step 2: Convert to fraction form
    31,828,836.66/47,648,093.79 = 19,493,961.36/x
  3. Step 3: Cross multiply
    31,828,836.66x = 47,648,093.79 × 19,493,961.36
  4. Step 4: Simplify right side
    31,828,836.66x = 928,850,099,219,915.88
  5. Step 5: Solve for x
    x = 928,850,099,219,915.88/31,828,836.66
  6. Step 6: Final answer
    x = 29,182,659.40

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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.