Home / 10,781,261.20-16,171,891.80-5,742,413.20

Finding the Fourth Proportional to 10,781,261.20, 16,171,891.80 and 5,742,413.20

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Solution

The fourth proportional to 10,781,261.20, 16,171,891.80 and 5,742,413.20 is: 8,613,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781,261.20 : 16,171,891.80 = 5,742,413.20 : x
  2. Step 2: Convert to fraction form
    10,781,261.20/16,171,891.80 = 5,742,413.20/x
  3. Step 3: Cross multiply
    10,781,261.20x = 16,171,891.80 × 5,742,413.20
  4. Step 4: Simplify right side
    10,781,261.20x = 92,865,684,941,291.77
  5. Step 5: Solve for x
    x = 92,865,684,941,291.77/10,781,261.20
  6. Step 6: Final answer
    x = 8,613,619.80

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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.