Home / 18,522,544.11-25,569,996.09-13,020,635.31

Finding the Fourth Proportional to 18,522,544.11, 25,569,996.09 and 13,020,635.31

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Solution

The fourth proportional to 18,522,544.11, 25,569,996.09 and 13,020,635.31 is: 17,974,722.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522,544.11 : 25,569,996.09 = 13,020,635.31 : x
  2. Step 2: Convert to fraction form
    18,522,544.11/25,569,996.09 = 13,020,635.31/x
  3. Step 3: Cross multiply
    18,522,544.11x = 25,569,996.09 × 13,020,635.31
  4. Step 4: Simplify right side
    18,522,544.11x = 332,937,593,966,015.94
  5. Step 5: Solve for x
    x = 332,937,593,966,015.94/18,522,544.11
  6. Step 6: Final answer
    x = 17,974,722.69

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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.