Home / 13,309,976.10-19,964,964.15-7,570,413.30

Finding the Fourth Proportional to 13,309,976.10, 19,964,964.15 and 7,570,413.30

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Solution

The fourth proportional to 13,309,976.10, 19,964,964.15 and 7,570,413.30 is: 11,355,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,976.10 : 19,964,964.15 = 7,570,413.30 : x
  2. Step 2: Convert to fraction form
    13,309,976.10/19,964,964.15 = 7,570,413.30/x
  3. Step 3: Cross multiply
    13,309,976.10x = 19,964,964.15 × 7,570,413.30
  4. Step 4: Simplify right side
    13,309,976.10x = 151,143,030,135,183.19
  5. Step 5: Solve for x
    x = 151,143,030,135,183.19/13,309,976.10
  6. Step 6: Final answer
    x = 11,355,619.95

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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.