Home / 11,868,325.89-16,377,413.13-6,640,640.16

Finding the Fourth Proportional to 11,868,325.89, 16,377,413.13 and 6,640,640.16

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Solution

The fourth proportional to 11,868,325.89, 16,377,413.13 and 6,640,640.16 is: 9,163,592.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868,325.89 : 16,377,413.13 = 6,640,640.16 : x
  2. Step 2: Convert to fraction form
    11,868,325.89/16,377,413.13 = 6,640,640.16/x
  3. Step 3: Cross multiply
    11,868,325.89x = 16,377,413.13 × 6,640,640.16
  4. Step 4: Simplify right side
    11,868,325.89x = 108,756,507,347,989.31
  5. Step 5: Solve for x
    x = 108,756,507,347,989.31/11,868,325.89
  6. Step 6: Final answer
    x = 9,163,592.94

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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.