Finding the Fourth Proportional to 8,771,277.77, 13,136,479.13 and 8,529,133.13
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Solution
The fourth proportional to 8,771,277.77, 13,136,479.13 and 8,529,133.13 is: 12,773,826.38
Step by Step Solution
- Step 1: Write the proportion equation
8,771,277.77 : 13,136,479.13 = 8,529,133.13 : x - Step 2: Convert to fraction form
8,771,277.77/13,136,479.13 = 8,529,133.13/x - Step 3: Cross multiply
8,771,277.77x = 13,136,479.13 × 8,529,133.13 - Step 4: Simplify right side
8,771,277.77x = 112,042,779,359,236.59 - Step 5: Solve for x
x = 112,042,779,359,236.59/8,771,277.77 - Step 6: Final answer
x = 12,773,826.38
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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.