Home / 13,521,413.00-20,302,380.72-11,705,379.45

Finding the Fourth Proportional to 13,521,413.00, 20,302,380.72 and 11,705,379.45

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Solution

The fourth proportional to 13,521,413.00, 20,302,380.72 and 11,705,379.45 is: 17,575,609.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521,413.00 : 20,302,380.72 = 11,705,379.45 : x
  2. Step 2: Convert to fraction form
    13,521,413.00/20,302,380.72 = 11,705,379.45/x
  3. Step 3: Cross multiply
    13,521,413.00x = 20,302,380.72 × 11,705,379.45
  4. Step 4: Simplify right side
    13,521,413.00x = 237,647,070,065,964.19
  5. Step 5: Solve for x
    x = 237,647,070,065,964.19/13,521,413.00
  6. Step 6: Final answer
    x = 17,575,609.16

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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.