Home / 31,653,768.60-47,455,847.46-12,498,863.22

Finding the Fourth Proportional to 31,653,768.60, 47,455,847.46 and 12,498,863.22

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Solution

The fourth proportional to 31,653,768.60, 47,455,847.46 and 12,498,863.22 is: 18,738,500.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,653,768.60 : 47,455,847.46 = 12,498,863.22 : x
  2. Step 2: Convert to fraction form
    31,653,768.60/47,455,847.46 = 12,498,863.22/x
  3. Step 3: Cross multiply
    31,653,768.60x = 47,455,847.46 × 12,498,863.22
  4. Step 4: Simplify right side
    31,653,768.60x = 593,144,146,391,724.50
  5. Step 5: Solve for x
    x = 593,144,146,391,724.50/31,653,768.60
  6. Step 6: Final answer
    x = 18,738,500.11

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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.