Home / 5,978,413.80-8,991,240.30-5,364,304.20

Finding the Fourth Proportional to 5,978,413.80, 8,991,240.30 and 5,364,304.20

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Solution

The fourth proportional to 5,978,413.80, 8,991,240.30 and 5,364,304.20 is: 8,067,649.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978,413.80 : 8,991,240.30 = 5,364,304.20 : x
  2. Step 2: Convert to fraction form
    5,978,413.80/8,991,240.30 = 5,364,304.20/x
  3. Step 3: Cross multiply
    5,978,413.80x = 8,991,240.30 × 5,364,304.20
  4. Step 4: Simplify right side
    5,978,413.80x = 48,231,748,104,499.27
  5. Step 5: Solve for x
    x = 48,231,748,104,499.27/5,978,413.80
  6. Step 6: Final answer
    x = 8,067,649.67

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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.