Home / 20,414,619.54-30,618,607.80-8,283,592.98

Finding the Fourth Proportional to 20,414,619.54, 30,618,607.80 and 8,283,592.98

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Solution

The fourth proportional to 20,414,619.54, 30,618,607.80 and 8,283,592.98 is: 12,424,041.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414,619.54 : 30,618,607.80 = 8,283,592.98 : x
  2. Step 2: Convert to fraction form
    20,414,619.54/30,618,607.80 = 8,283,592.98/x
  3. Step 3: Cross multiply
    20,414,619.54x = 30,618,607.80 × 8,283,592.98
  4. Step 4: Simplify right side
    20,414,619.54x = 253,632,084,660,516.75
  5. Step 5: Solve for x
    x = 253,632,084,660,516.75/20,414,619.54
  6. Step 6: Final answer
    x = 12,424,041.71

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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.