Home / 13,616,121.40-18,790,361.58-7,504,565.56

Finding the Fourth Proportional to 13,616,121.40, 18,790,361.58 and 7,504,565.56

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Solution

The fourth proportional to 13,616,121.40, 18,790,361.58 and 7,504,565.56 is: 10,356,363.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,616,121.40 : 18,790,361.58 = 7,504,565.56 : x
  2. Step 2: Convert to fraction form
    13,616,121.40/18,790,361.58 = 7,504,565.56/x
  3. Step 3: Cross multiply
    13,616,121.40x = 18,790,361.58 × 7,504,565.56
  4. Step 4: Simplify right side
    13,616,121.40x = 141,013,500,373,215.16
  5. Step 5: Solve for x
    x = 141,013,500,373,215.16/13,616,121.40
  6. Step 6: Final answer
    x = 10,356,363.33

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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.