Home / 38,416,993.11-57,599,892.14-21,153,323.58

Finding the Fourth Proportional to 38,416,993.11, 57,599,892.14 and 21,153,323.58

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Solution

The fourth proportional to 38,416,993.11, 57,599,892.14 and 21,153,323.58 is: 31,715,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,416,993.11 : 57,599,892.14 = 21,153,323.58 : x
  2. Step 2: Convert to fraction form
    38,416,993.11/57,599,892.14 = 21,153,323.58/x
  3. Step 3: Cross multiply
    38,416,993.11x = 57,599,892.14 × 21,153,323.58
  4. Step 4: Simplify right side
    38,416,993.11x = 1,218,429,156,504,752
  5. Step 5: Solve for x
    x = 1,218,429,156,504,752/38,416,993.11
  6. Step 6: Final answer
    x = 31,715,890.75

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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.