Home / 7,235,111.82-9,983,824.62-3,971,913.42

Finding the Fourth Proportional to 7,235,111.82, 9,983,824.62 and 3,971,913.42

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Solution

The fourth proportional to 7,235,111.82, 9,983,824.62 and 3,971,913.42 is: 5,480,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235,111.82 : 9,983,824.62 = 3,971,913.42 : x
  2. Step 2: Convert to fraction form
    7,235,111.82/9,983,824.62 = 3,971,913.42/x
  3. Step 3: Cross multiply
    7,235,111.82x = 9,983,824.62 × 3,971,913.42
  4. Step 4: Simplify right side
    7,235,111.82x = 39,654,886,991,104.40
  5. Step 5: Solve for x
    x = 39,654,886,991,104.40/7,235,111.82
  6. Step 6: Final answer
    x = 5,480,894.83

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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.