Home / 31,558,749.50-43,550,650.92-17,620,318.68

Finding the Fourth Proportional to 31,558,749.50, 43,550,650.92 and 17,620,318.68

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Solution

The fourth proportional to 31,558,749.50, 43,550,650.92 and 17,620,318.68 is: 24,315,803.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,558,749.50 : 43,550,650.92 = 17,620,318.68 : x
  2. Step 2: Convert to fraction form
    31,558,749.50/43,550,650.92 = 17,620,318.68/x
  3. Step 3: Cross multiply
    31,558,749.50x = 43,550,650.92 × 17,620,318.68
  4. Step 4: Simplify right side
    31,558,749.50x = 767,376,347,931,835.25
  5. Step 5: Solve for x
    x = 767,376,347,931,835.25/31,558,749.50
  6. Step 6: Final answer
    x = 24,315,803.39

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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.