Home / 28,743,003.90-43,145,998.65-17,972,466.30

Finding the Fourth Proportional to 28,743,003.90, 43,145,998.65 and 17,972,466.30

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Solution

The fourth proportional to 28,743,003.90, 43,145,998.65 and 17,972,466.30 is: 26,978,391.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743,003.90 : 43,145,998.65 = 17,972,466.30 : x
  2. Step 2: Convert to fraction form
    28,743,003.90/43,145,998.65 = 17,972,466.30/x
  3. Step 3: Cross multiply
    28,743,003.90x = 43,145,998.65 × 17,972,466.30
  4. Step 4: Simplify right side
    28,743,003.90x = 775,440,006,716,970.50
  5. Step 5: Solve for x
    x = 775,440,006,716,970.50/28,743,003.90
  6. Step 6: Final answer
    x = 26,978,391.31

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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.