Finding the Fourth Proportional to 14,274,514.66, 19,649,045.64 and 12,320,591.76
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Solution
The fourth proportional to 14,274,514.66, 19,649,045.64 and 12,320,591.76 is: 16,959,446.65
Step by Step Solution
- Step 1: Write the proportion equation
14,274,514.66 : 19,649,045.64 = 12,320,591.76 : x - Step 2: Convert to fraction form
14,274,514.66/19,649,045.64 = 12,320,591.76/x - Step 3: Cross multiply
14,274,514.66x = 19,649,045.64 × 12,320,591.76 - Step 4: Simplify right side
14,274,514.66x = 242,087,869,804,047.94 - Step 5: Solve for x
x = 242,087,869,804,047.94/14,274,514.66 - Step 6: Final answer
x = 16,959,446.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.