Home / 20,419,164.54-30,633,511.44-6,771,312.54

Finding the Fourth Proportional to 20,419,164.54, 30,633,511.44 and 6,771,312.54

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Solution

The fourth proportional to 20,419,164.54, 30,633,511.44 and 6,771,312.54 is: 10,158,548.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,419,164.54 : 30,633,511.44 = 6,771,312.54 : x
  2. Step 2: Convert to fraction form
    20,419,164.54/30,633,511.44 = 6,771,312.54/x
  3. Step 3: Cross multiply
    20,419,164.54x = 30,633,511.44 × 6,771,312.54
  4. Step 4: Simplify right side
    20,419,164.54x = 207,429,080,157,905.47
  5. Step 5: Solve for x
    x = 207,429,080,157,905.47/20,419,164.54
  6. Step 6: Final answer
    x = 10,158,548.84

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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.