Home / 28,984,546.20-43,476,791.16-7,419,113.28

Finding the Fourth Proportional to 28,984,546.20, 43,476,791.16 and 7,419,113.28

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Solution

The fourth proportional to 28,984,546.20, 43,476,791.16 and 7,419,113.28 is: 11,128,662.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984,546.20 : 43,476,791.16 = 7,419,113.28 : x
  2. Step 2: Convert to fraction form
    28,984,546.20/43,476,791.16 = 7,419,113.28/x
  3. Step 3: Cross multiply
    28,984,546.20x = 43,476,791.16 × 7,419,113.28
  4. Step 4: Simplify right side
    28,984,546.20x = 322,559,238,666,942.56
  5. Step 5: Solve for x
    x = 322,559,238,666,942.56/28,984,546.20
  6. Step 6: Final answer
    x = 11,128,662.72

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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.