Home / 13,870,766.41-20,814,369.19-7,727,889.71

Finding the Fourth Proportional to 13,870,766.41, 20,814,369.19 and 7,727,889.71

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Solution

The fourth proportional to 13,870,766.41, 20,814,369.19 and 7,727,889.71 is: 11,596,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870,766.41 : 20,814,369.19 = 7,727,889.71 : x
  2. Step 2: Convert to fraction form
    13,870,766.41/20,814,369.19 = 7,727,889.71/x
  3. Step 3: Cross multiply
    13,870,766.41x = 20,814,369.19 × 7,727,889.71
  4. Step 4: Simplify right side
    13,870,766.41x = 160,851,149,516,258.25
  5. Step 5: Solve for x
    x = 160,851,149,516,258.25/13,870,766.41
  6. Step 6: Final answer
    x = 11,596,413.98

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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.