Home / 31,653,639.70-47,455,654.41-12,498,734.59

Finding the Fourth Proportional to 31,653,639.70, 47,455,654.41 and 12,498,734.59

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Solution

The fourth proportional to 31,653,639.70, 47,455,654.41 and 12,498,734.59 is: 18,738,307.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,653,639.70 : 47,455,654.41 = 12,498,734.59 : x
  2. Step 2: Convert to fraction form
    31,653,639.70/47,455,654.41 = 12,498,734.59/x
  3. Step 3: Cross multiply
    31,653,639.70x = 47,455,654.41 × 12,498,734.59
  4. Step 4: Simplify right side
    31,653,639.70x = 593,135,629,146,713.88
  5. Step 5: Solve for x
    x = 593,135,629,146,713.88/31,653,639.70
  6. Step 6: Final answer
    x = 18,738,307.34

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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.