Home / 20,586,556.80-30,879,907.38-5,233,848.12

Finding the Fourth Proportional to 20,586,556.80, 30,879,907.38 and 5,233,848.12

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Solution

The fourth proportional to 20,586,556.80, 30,879,907.38 and 5,233,848.12 is: 7,850,790.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,586,556.80 : 30,879,907.38 = 5,233,848.12 : x
  2. Step 2: Convert to fraction form
    20,586,556.80/30,879,907.38 = 5,233,848.12/x
  3. Step 3: Cross multiply
    20,586,556.80x = 30,879,907.38 × 5,233,848.12
  4. Step 4: Simplify right side
    20,586,556.80x = 161,620,745,186,587.12
  5. Step 5: Solve for x
    x = 161,620,745,186,587.12/20,586,556.80
  6. Step 6: Final answer
    x = 7,850,790.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.