Home / 31,642,124.64-43,667,053.12-17,890,793.44

Finding the Fourth Proportional to 31,642,124.64, 43,667,053.12 and 17,890,793.44

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Solution

The fourth proportional to 31,642,124.64, 43,667,053.12 and 17,890,793.44 is: 24,689,815.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,642,124.64 : 43,667,053.12 = 17,890,793.44 : x
  2. Step 2: Convert to fraction form
    31,642,124.64/43,667,053.12 = 17,890,793.44/x
  3. Step 3: Cross multiply
    31,642,124.64x = 43,667,053.12 × 17,890,793.44
  4. Step 4: Simplify right side
    31,642,124.64x = 781,238,227,503,427.50
  5. Step 5: Solve for x
    x = 781,238,227,503,427.50/31,642,124.64
  6. Step 6: Final answer
    x = 24,689,815.76

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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.