Finding the Fourth Proportional to 18,555,229.42, 27,804,436.80 and 7,766,656.36
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Solution
The fourth proportional to 18,555,229.42, 27,804,436.80 and 7,766,656.36 is: 11,638,094.09
Step by Step Solution
- Step 1: Write the proportion equation
18,555,229.42 : 27,804,436.80 = 7,766,656.36 : x - Step 2: Convert to fraction form
18,555,229.42/27,804,436.80 = 7,766,656.36/x - Step 3: Cross multiply
18,555,229.42x = 27,804,436.80 × 7,766,656.36 - Step 4: Simplify right side
18,555,229.42x = 215,947,505,908,938.06 - Step 5: Solve for x
x = 215,947,505,908,938.06/18,555,229.42 - Step 6: Final answer
x = 11,638,094.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.