Home / 13,544,705.46-18,690,723.09-7,743,731.70

Finding the Fourth Proportional to 13,544,705.46, 18,690,723.09 and 7,743,731.70

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Solution

The fourth proportional to 13,544,705.46, 18,690,723.09 and 7,743,731.70 is: 10,685,794.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544,705.46 : 18,690,723.09 = 7,743,731.70 : x
  2. Step 2: Convert to fraction form
    13,544,705.46/18,690,723.09 = 7,743,731.70/x
  3. Step 3: Cross multiply
    13,544,705.46x = 18,690,723.09 × 7,743,731.70
  4. Step 4: Simplify right side
    13,544,705.46x = 144,735,944,887,954.97
  5. Step 5: Solve for x
    x = 144,735,944,887,954.97/13,544,705.46
  6. Step 6: Final answer
    x = 10,685,794.93

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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.