Finding the Fourth Proportional to 11,640,368.88, 16,062,504.93 and 7,169,211.36
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Solution
The fourth proportional to 11,640,368.88, 16,062,504.93 and 7,169,211.36 is: 9,892,770.07
Step by Step Solution
- Step 1: Write the proportion equation
11,640,368.88 : 16,062,504.93 = 7,169,211.36 : x - Step 2: Convert to fraction form
11,640,368.88/16,062,504.93 = 7,169,211.36/x - Step 3: Cross multiply
11,640,368.88x = 16,062,504.93 × 7,169,211.36 - Step 4: Simplify right side
11,640,368.88x = 115,155,492,814,212.02 - Step 5: Solve for x
x = 115,155,492,814,212.02/11,640,368.88 - Step 6: Final answer
x = 9,892,770.07
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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.