Home / 14,493,928.20-21,743,516.70-7,287,325.80

Finding the Fourth Proportional to 14,493,928.20, 21,743,516.70 and 7,287,325.80

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Solution

The fourth proportional to 14,493,928.20, 21,743,516.70 and 7,287,325.80 is: 10,932,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,493,928.20 : 21,743,516.70 = 7,287,325.80 : x
  2. Step 2: Convert to fraction form
    14,493,928.20/21,743,516.70 = 7,287,325.80/x
  3. Step 3: Cross multiply
    14,493,928.20x = 21,743,516.70 × 7,287,325.80
  4. Step 4: Simplify right side
    14,493,928.20x = 158,452,090,230,640.84
  5. Step 5: Solve for x
    x = 158,452,090,230,640.84/14,493,928.20
  6. Step 6: Final answer
    x = 10,932,308.21

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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.