Home / 12,860,489.01-19,286,668.07-4,223,165.56

Finding the Fourth Proportional to 12,860,489.01, 19,286,668.07 and 4,223,165.56

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Solution

The fourth proportional to 12,860,489.01, 19,286,668.07 and 4,223,165.56 is: 6,333,413.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860,489.01 : 19,286,668.07 = 4,223,165.56 : x
  2. Step 2: Convert to fraction form
    12,860,489.01/19,286,668.07 = 4,223,165.56/x
  3. Step 3: Cross multiply
    12,860,489.01x = 19,286,668.07 × 4,223,165.56
  4. Step 4: Simplify right side
    12,860,489.01x = 81,450,792,274,500.25
  5. Step 5: Solve for x
    x = 81,450,792,274,500.25/12,860,489.01
  6. Step 6: Final answer
    x = 6,333,413.31

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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.