Home / 15,684,474.96-21,642,033.78-9,803,413.26

Finding the Fourth Proportional to 15,684,474.96, 21,642,033.78 and 9,803,413.26

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Solution

The fourth proportional to 15,684,474.96, 21,642,033.78 and 9,803,413.26 is: 13,527,121.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,684,474.96 : 21,642,033.78 = 9,803,413.26 : x
  2. Step 2: Convert to fraction form
    15,684,474.96/21,642,033.78 = 9,803,413.26/x
  3. Step 3: Cross multiply
    15,684,474.96x = 21,642,033.78 × 9,803,413.26
  4. Step 4: Simplify right side
    15,684,474.96x = 212,165,800,932,219.94
  5. Step 5: Solve for x
    x = 212,165,800,932,219.94/15,684,474.96
  6. Step 6: Final answer
    x = 13,527,121.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.