Home / 20,733,365.30-31,100,047.95-13,193,755.70

Finding the Fourth Proportional to 20,733,365.30, 31,100,047.95 and 13,193,755.70

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Solution

The fourth proportional to 20,733,365.30, 31,100,047.95 and 13,193,755.70 is: 19,790,633.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,365.30 : 31,100,047.95 = 13,193,755.70 : x
  2. Step 2: Convert to fraction form
    20,733,365.30/31,100,047.95 = 13,193,755.70/x
  3. Step 3: Cross multiply
    20,733,365.30x = 31,100,047.95 × 13,193,755.70
  4. Step 4: Simplify right side
    20,733,365.30x = 410,326,434,910,585.81
  5. Step 5: Solve for x
    x = 410,326,434,910,585.81/20,733,365.30
  6. Step 6: Final answer
    x = 19,790,633.55

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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.