Finding the Fourth Proportional to 13,650,116.06, 18,845,679.84 and 8,691,356
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Solution
The fourth proportional to 13,650,116.06, 18,845,679.84 and 8,691,356 is: 11,999,495.96
Step by Step Solution
- Step 1: Write the proportion equation
13,650,116.06 : 18,845,679.84 = 8,691,356 : x - Step 2: Convert to fraction form
13,650,116.06/18,845,679.84 = 8,691,356/x - Step 3: Cross multiply
13,650,116.06x = 18,845,679.84 × 8,691,356 - Step 4: Simplify right side
13,650,116.06x = 163,794,512,551,463.03 - Step 5: Solve for x
x = 163,794,512,551,463.03/13,650,116.06 - Step 6: Final answer
x = 11,999,495.96
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1.5x scale
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.