Home / 31,589,705.23-47,384,558.71-8,560,638.91

Finding the Fourth Proportional to 31,589,705.23, 47,384,558.71 and 8,560,638.91

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Solution

The fourth proportional to 31,589,705.23, 47,384,558.71 and 8,560,638.91 is: 12,840,958.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,589,705.23 : 47,384,558.71 = 8,560,638.91 : x
  2. Step 2: Convert to fraction form
    31,589,705.23/47,384,558.71 = 8,560,638.91/x
  3. Step 3: Cross multiply
    31,589,705.23x = 47,384,558.71 × 8,560,638.91
  4. Step 4: Simplify right side
    31,589,705.23x = 405,642,097,276,683.62
  5. Step 5: Solve for x
    x = 405,642,097,276,683.62/31,589,705.23
  6. Step 6: Final answer
    x = 12,840,958.61

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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.