Home / 21,962,771.40-30,310,440.36-12,176,286.60

Finding the Fourth Proportional to 21,962,771.40, 30,310,440.36 and 12,176,286.60

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Solution

The fourth proportional to 21,962,771.40, 30,310,440.36 and 12,176,286.60 is: 16,804,282.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,962,771.40 : 30,310,440.36 = 12,176,286.60 : x
  2. Step 2: Convert to fraction form
    21,962,771.40/30,310,440.36 = 12,176,286.60/x
  3. Step 3: Cross multiply
    21,962,771.40x = 30,310,440.36 × 12,176,286.60
  4. Step 4: Simplify right side
    21,962,771.40x = 369,068,608,795,567.19
  5. Step 5: Solve for x
    x = 369,068,608,795,567.19/21,962,771.40
  6. Step 6: Final answer
    x = 16,804,282.21

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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.