Home / 28,767,021.80-43,150,532.70-25,880,570.60

Finding the Fourth Proportional to 28,767,021.80, 43,150,532.70 and 25,880,570.60

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Solution

The fourth proportional to 28,767,021.80, 43,150,532.70 and 25,880,570.60 is: 38,820,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767,021.80 : 43,150,532.70 = 25,880,570.60 : x
  2. Step 2: Convert to fraction form
    28,767,021.80/43,150,532.70 = 25,880,570.60/x
  3. Step 3: Cross multiply
    28,767,021.80x = 43,150,532.70 × 25,880,570.60
  4. Step 4: Simplify right side
    28,767,021.80x = 1,116,760,407,969,958.75
  5. Step 5: Solve for x
    x = 1,116,760,407,969,958.75/28,767,021.80
  6. Step 6: Final answer
    x = 38,820,855.90

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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.