Finding the Fourth Proportional to 18,515,481.84, 27,759,770.64 and 7,735,865.52
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Solution
The fourth proportional to 18,515,481.84, 27,759,770.64 and 7,735,865.52 is: 11,598,177.91
Step by Step Solution
- Step 1: Write the proportion equation
18,515,481.84 : 27,759,770.64 = 7,735,865.52 : x - Step 2: Convert to fraction form
18,515,481.84/27,759,770.64 = 7,735,865.52/x - Step 3: Cross multiply
18,515,481.84x = 27,759,770.64 × 7,735,865.52 - Step 4: Simplify right side
18,515,481.84x = 214,745,852,537,084.31 - Step 5: Solve for x
x = 214,745,852,537,084.31/18,515,481.84 - Step 6: Final answer
x = 11,598,177.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.