Finding the Fourth Proportional to 18,292,266.88, 27,438,410.16 and 4,646,436.64
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Solution
The fourth proportional to 18,292,266.88, 27,438,410.16 and 4,646,436.64 is: 6,969,657.46
Step by Step Solution
- Step 1: Write the proportion equation
18,292,266.88 : 27,438,410.16 = 4,646,436.64 : x - Step 2: Convert to fraction form
18,292,266.88/27,438,410.16 = 4,646,436.64/x - Step 3: Cross multiply
18,292,266.88x = 27,438,410.16 × 4,646,436.64 - Step 4: Simplify right side
18,292,266.88x = 127,490,834,310,772.25 - Step 5: Solve for x
x = 127,490,834,310,772.25/18,292,266.88 - Step 6: Final answer
x = 6,969,657.46
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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.