Home / 11,431,211.34-15,788,163.78-7,528,413.48

Finding the Fourth Proportional to 11,431,211.34, 15,788,163.78 and 7,528,413.48

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Solution

The fourth proportional to 11,431,211.34, 15,788,163.78 and 7,528,413.48 is: 10,397,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431,211.34 : 15,788,163.78 = 7,528,413.48 : x
  2. Step 2: Convert to fraction form
    11,431,211.34/15,788,163.78 = 7,528,413.48/x
  3. Step 3: Cross multiply
    11,431,211.34x = 15,788,163.78 × 7,528,413.48
  4. Step 4: Simplify right side
    11,431,211.34x = 118,859,825,025,799.75
  5. Step 5: Solve for x
    x = 118,859,825,025,799.75/11,431,211.34
  6. Step 6: Final answer
    x = 10,397,832.87

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1.5x scale

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.