Home / 30,145,449.62-41,583,010.82-18,964,161.84

Finding the Fourth Proportional to 30,145,449.62, 41,583,010.82 and 18,964,161.84

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Solution

The fourth proportional to 30,145,449.62, 41,583,010.82 and 18,964,161.84 is: 26,159,402.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,145,449.62 : 41,583,010.82 = 18,964,161.84 : x
  2. Step 2: Convert to fraction form
    30,145,449.62/41,583,010.82 = 18,964,161.84/x
  3. Step 3: Cross multiply
    30,145,449.62x = 41,583,010.82 × 18,964,161.84
  4. Step 4: Simplify right side
    30,145,449.62x = 788,586,946,984,951.12
  5. Step 5: Solve for x
    x = 788,586,946,984,951.12/30,145,449.62
  6. Step 6: Final answer
    x = 26,159,402.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.