Home / 18,924,855.86-28,387,283.79-5,972,319.28

Finding the Fourth Proportional to 18,924,855.86, 28,387,283.79 and 5,972,319.28

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Solution

The fourth proportional to 18,924,855.86, 28,387,283.79 and 5,972,319.28 is: 8,958,478.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924,855.86 : 28,387,283.79 = 5,972,319.28 : x
  2. Step 2: Convert to fraction form
    18,924,855.86/28,387,283.79 = 5,972,319.28/x
  3. Step 3: Cross multiply
    18,924,855.86x = 28,387,283.79 × 5,972,319.28
  4. Step 4: Simplify right side
    18,924,855.86x = 169,537,922,150,456
  5. Step 5: Solve for x
    x = 169,537,922,150,456/18,924,855.86
  6. Step 6: Final answer
    x = 8,958,478.91

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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.