Finding the Fourth Proportional to 12,562,481,372, 17,336,171,906.64 and 6,923,683,765.84
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Solution
The fourth proportional to 12,562,481,372, 17,336,171,906.64 and 6,923,683,765.84 is: 9,554,654,724.45
Step by Step Solution
- Step 1: Write the proportion equation
12,562,481,372 : 17,336,171,906.64 = 6,923,683,765.84 : x - Step 2: Convert to fraction form
12,562,481,372/17,336,171,906.64 = 6,923,683,765.84/x - Step 3: Cross multiply
12,562,481,372x = 17,336,171,906.64 × 6,923,683,765.84 - Step 4: Simplify right side
12,562,481,372x = 120,030,171,991,814,848,512 - Step 5: Solve for x
x = 120,030,171,991,814,848,512/12,562,481,372 - Step 6: Final answer
x = 9,554,654,724.45
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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.