Home / 7,111,510.40-9,813,910.20-3,848,324.80

Finding the Fourth Proportional to 7,111,510.40, 9,813,910.20 and 3,848,324.80

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Solution

The fourth proportional to 7,111,510.40, 9,813,910.20 and 3,848,324.80 is: 5,310,702.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,510.40 : 9,813,910.20 = 3,848,324.80 : x
  2. Step 2: Convert to fraction form
    7,111,510.40/9,813,910.20 = 3,848,324.80/x
  3. Step 3: Cross multiply
    7,111,510.40x = 9,813,910.20 × 3,848,324.80
  4. Step 4: Simplify right side
    7,111,510.40x = 37,767,114,007,632.95
  5. Step 5: Solve for x
    x = 37,767,114,007,632.95/7,111,510.40
  6. Step 6: Final answer
    x = 5,310,702.21

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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.