Home / 11,421,024.80-17,131,537.20-9,720,413.60

Finding the Fourth Proportional to 11,421,024.80, 17,131,537.20 and 9,720,413.60

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Solution

The fourth proportional to 11,421,024.80, 17,131,537.20 and 9,720,413.60 is: 14,580,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421,024.80 : 17,131,537.20 = 9,720,413.60 : x
  2. Step 2: Convert to fraction form
    11,421,024.80/17,131,537.20 = 9,720,413.60/x
  3. Step 3: Cross multiply
    11,421,024.80x = 17,131,537.20 × 9,720,413.60
  4. Step 4: Simplify right side
    11,421,024.80x = 166,525,627,187,785.91
  5. Step 5: Solve for x
    x = 166,525,627,187,785.91/11,421,024.80
  6. Step 6: Final answer
    x = 14,580,620.40

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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.