Home / 20,914,660,289.76-28,863,252,257.04-11,762,069,127.60

Finding the Fourth Proportional to 20,914,660,289.76, 28,863,252,257.04 and 11,762,069,127.60

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Solution

The fourth proportional to 20,914,660,289.76, 28,863,252,257.04 and 11,762,069,127.60 is: 16,232,229,622.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914,660,289.76 : 28,863,252,257.04 = 11,762,069,127.60 : x
  2. Step 2: Convert to fraction form
    20,914,660,289.76/28,863,252,257.04 = 11,762,069,127.60/x
  3. Step 3: Cross multiply
    20,914,660,289.76x = 28,863,252,257.04 × 11,762,069,127.60
  4. Step 4: Simplify right side
    20,914,660,289.76x = 339,491,568,294,661,193,728
  5. Step 5: Solve for x
    x = 339,491,568,294,661,193,728/20,914,660,289.76
  6. Step 6: Final answer
    x = 16,232,229,622.25

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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.