Home / 13,907,115.68-20,866,413.18-7,509,834.50

Finding the Fourth Proportional to 13,907,115.68, 20,866,413.18 and 7,509,834.50

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Solution

The fourth proportional to 13,907,115.68, 20,866,413.18 and 7,509,834.50 is: 11,267,851.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907,115.68 : 20,866,413.18 = 7,509,834.50 : x
  2. Step 2: Convert to fraction form
    13,907,115.68/20,866,413.18 = 7,509,834.50/x
  3. Step 3: Cross multiply
    13,907,115.68x = 20,866,413.18 × 7,509,834.50
  4. Step 4: Simplify right side
    13,907,115.68x = 156,703,309,590,418.72
  5. Step 5: Solve for x
    x = 156,703,309,590,418.72/13,907,115.68
  6. Step 6: Final answer
    x = 11,267,851.16

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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.