Home / 13,504,728.39-18,636,525.81-7,393,156.89

Finding the Fourth Proportional to 13,504,728.39, 18,636,525.81 and 7,393,156.89

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Solution

The fourth proportional to 13,504,728.39, 18,636,525.81 and 7,393,156.89 is: 10,202,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504,728.39 : 18,636,525.81 = 7,393,156.89 : x
  2. Step 2: Convert to fraction form
    13,504,728.39/18,636,525.81 = 7,393,156.89/x
  3. Step 3: Cross multiply
    13,504,728.39x = 18,636,525.81 × 7,393,156.89
  4. Step 4: Simplify right side
    13,504,728.39x = 137,782,759,197,864.31
  5. Step 5: Solve for x
    x = 137,782,759,197,864.31/13,504,728.39
  6. Step 6: Final answer
    x = 10,202,556.85

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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.