Home / 7,379,986.40-11,068,942.80-2,331,807.20

Finding the Fourth Proportional to 7,379,986.40, 11,068,942.80 and 2,331,807.20

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Solution

The fourth proportional to 7,379,986.40, 11,068,942.80 and 2,331,807.20 is: 3,497,383.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379,986.40 : 11,068,942.80 = 2,331,807.20 : x
  2. Step 2: Convert to fraction form
    7,379,986.40/11,068,942.80 = 2,331,807.20/x
  3. Step 3: Cross multiply
    7,379,986.40x = 11,068,942.80 × 2,331,807.20
  4. Step 4: Simplify right side
    7,379,986.40x = 25,810,640,517,428.16
  5. Step 5: Solve for x
    x = 25,810,640,517,428.16/7,379,986.40
  6. Step 6: Final answer
    x = 3,497,383.21

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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.