Home / 17,169,781.75-23,670,622.80-13,696,907.76

Finding the Fourth Proportional to 17,169,781.75, 23,670,622.80 and 13,696,907.76

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Solution

The fourth proportional to 17,169,781.75, 23,670,622.80 and 13,696,907.76 is: 18,882,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,169,781.75 : 23,670,622.80 = 13,696,907.76 : x
  2. Step 2: Convert to fraction form
    17,169,781.75/23,670,622.80 = 13,696,907.76/x
  3. Step 3: Cross multiply
    17,169,781.75x = 23,670,622.80 × 13,696,907.76
  4. Step 4: Simplify right side
    17,169,781.75x = 324,214,337,113,352.94
  5. Step 5: Solve for x
    x = 324,214,337,113,352.94/17,169,781.75
  6. Step 6: Final answer
    x = 18,882,845.56

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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.