Home / 8,667,905.40-13,003,413.30-3,619,726.20

Finding the Fourth Proportional to 8,667,905.40, 13,003,413.30 and 3,619,726.20

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Solution

The fourth proportional to 8,667,905.40, 13,003,413.30 and 3,619,726.20 is: 5,430,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667,905.40 : 13,003,413.30 = 3,619,726.20 : x
  2. Step 2: Convert to fraction form
    8,667,905.40/13,003,413.30 = 3,619,726.20/x
  3. Step 3: Cross multiply
    8,667,905.40x = 13,003,413.30 × 3,619,726.20
  4. Step 4: Simplify right side
    8,667,905.40x = 47,068,795,811,438.47
  5. Step 5: Solve for x
    x = 47,068,795,811,438.47/8,667,905.40
  6. Step 6: Final answer
    x = 5,430,238.75

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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.