Finding the Fourth Proportional to 11,890,839.60, 16,409,573.64 and 6,735,268.08
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Solution
The fourth proportional to 11,890,839.60, 16,409,573.64 and 6,735,268.08 is: 9,294,791.73
Step by Step Solution
- Step 1: Write the proportion equation
11,890,839.60 : 16,409,573.64 = 6,735,268.08 : x - Step 2: Convert to fraction form
11,890,839.60/16,409,573.64 = 6,735,268.08/x - Step 3: Cross multiply
11,890,839.60x = 16,409,573.64 × 6,735,268.08 - Step 4: Simplify right side
11,890,839.60x = 110,522,877,543,901.42 - Step 5: Solve for x
x = 110,522,877,543,901.42/11,890,839.60 - Step 6: Final answer
x = 9,294,791.73
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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.