Finding the Fourth Proportional to 18,635,817.02, 27,917,359.58 and 14,517,856.49
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Solution
The fourth proportional to 18,635,817.02, 27,917,359.58 and 14,517,856.49 is: 21,748,454.58
Step by Step Solution
- Step 1: Write the proportion equation
18,635,817.02 : 27,917,359.58 = 14,517,856.49 : x - Step 2: Convert to fraction form
18,635,817.02/27,917,359.58 = 14,517,856.49/x - Step 3: Cross multiply
18,635,817.02x = 27,917,359.58 × 14,517,856.49 - Step 4: Simplify right side
18,635,817.02x = 405,300,219,925,872.06 - Step 5: Solve for x
x = 405,300,219,925,872.06/18,635,817.02 - Step 6: Final answer
x = 21,748,454.58
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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.