Home / 28,904,085.90-43,351,908.56-8,428,303.26

Finding the Fourth Proportional to 28,904,085.90, 43,351,908.56 and 8,428,303.26

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Solution

The fourth proportional to 28,904,085.90, 43,351,908.56 and 8,428,303.26 is: 12,641,224.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904,085.90 : 43,351,908.56 = 8,428,303.26 : x
  2. Step 2: Convert to fraction form
    28,904,085.90/43,351,908.56 = 8,428,303.26/x
  3. Step 3: Cross multiply
    28,904,085.90x = 43,351,908.56 × 8,428,303.26
  4. Step 4: Simplify right side
    28,904,085.90x = 365,383,032,243,469.94
  5. Step 5: Solve for x
    x = 365,383,032,243,469.94/28,904,085.90
  6. Step 6: Final answer
    x = 12,641,224.27

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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.