Home / 7,166,021.97-9,888,962.69-3,902,894.04

Finding the Fourth Proportional to 7,166,021.97, 9,888,962.69 and 3,902,894.04

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Solution

The fourth proportional to 7,166,021.97, 9,888,962.69 and 3,902,894.04 is: 5,385,913.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,021.97 : 9,888,962.69 = 3,902,894.04 : x
  2. Step 2: Convert to fraction form
    7,166,021.97/9,888,962.69 = 3,902,894.04/x
  3. Step 3: Cross multiply
    7,166,021.97x = 9,888,962.69 × 3,902,894.04
  4. Step 4: Simplify right side
    7,166,021.97x = 38,595,573,544,583.37
  5. Step 5: Solve for x
    x = 38,595,573,544,583.37/7,166,021.97
  6. Step 6: Final answer
    x = 5,385,913.37

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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.