Finding the Fourth Proportional to 10,167,368.09, 14,025,779.75 and 6,492,420.77
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Solution
The fourth proportional to 10,167,368.09, 14,025,779.75 and 6,492,420.77 is: 8,956,227.70
Step by Step Solution
- Step 1: Write the proportion equation
10,167,368.09 : 14,025,779.75 = 6,492,420.77 : x - Step 2: Convert to fraction form
10,167,368.09/14,025,779.75 = 6,492,420.77/x - Step 3: Cross multiply
10,167,368.09x = 14,025,779.75 × 6,492,420.77 - Step 4: Simplify right side
10,167,368.09x = 91,061,263,661,754.39 - Step 5: Solve for x
x = 91,061,263,661,754.39/10,167,368.09 - Step 6: Final answer
x = 8,956,227.70
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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.