Home / 20,159,376.82-30,230,657.40-6,322,770.64

Finding the Fourth Proportional to 20,159,376.82, 30,230,657.40 and 6,322,770.64

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Solution

The fourth proportional to 20,159,376.82, 30,230,657.40 and 6,322,770.64 is: 9,481,518.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159,376.82 : 30,230,657.40 = 6,322,770.64 : x
  2. Step 2: Convert to fraction form
    20,159,376.82/30,230,657.40 = 6,322,770.64/x
  3. Step 3: Cross multiply
    20,159,376.82x = 30,230,657.40 × 6,322,770.64
  4. Step 4: Simplify right side
    20,159,376.82x = 191,141,513,036,618.72
  5. Step 5: Solve for x
    x = 191,141,513,036,618.72/20,159,376.82
  6. Step 6: Final answer
    x = 9,481,518.93

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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.