Finding the Fourth Proportional to 19,940,302.72, 27,517,618.56 and 10,772,945.44
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Solution
The fourth proportional to 19,940,302.72, 27,517,618.56 and 10,772,945.44 is: 14,866,665.14
Step by Step Solution
- Step 1: Write the proportion equation
19,940,302.72 : 27,517,618.56 = 10,772,945.44 : x - Step 2: Convert to fraction form
19,940,302.72/27,517,618.56 = 10,772,945.44/x - Step 3: Cross multiply
19,940,302.72x = 27,517,618.56 × 10,772,945.44 - Step 4: Simplify right side
19,940,302.72x = 296,445,803,385,611.31 - Step 5: Solve for x
x = 296,445,803,385,611.31/19,940,302.72 - Step 6: Final answer
x = 14,866,665.14
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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.