Finding the Fourth Proportional to 14,590,678.18, 20,136,177.84 and 8,064,167.44
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Solution
The fourth proportional to 14,590,678.18, 20,136,177.84 and 8,064,167.44 is: 11,129,126.95
Step by Step Solution
- Step 1: Write the proportion equation
14,590,678.18 : 20,136,177.84 = 8,064,167.44 : x - Step 2: Convert to fraction form
14,590,678.18/20,136,177.84 = 8,064,167.44/x - Step 3: Cross multiply
14,590,678.18x = 20,136,177.84 × 8,064,167.44 - Step 4: Simplify right side
14,590,678.18x = 162,381,509,703,377.53 - Step 5: Solve for x
x = 162,381,509,703,377.53/14,590,678.18 - Step 6: Final answer
x = 11,129,126.95
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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.