Finding the Fourth Proportional to 9,811,562.68, 13,528,369.74 and 6,715,580.68
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Solution
The fourth proportional to 9,811,562.68, 13,528,369.74 and 6,715,580.68 is: 9,259,570.71
Step by Step Solution
- Step 1: Write the proportion equation
9,811,562.68 : 13,528,369.74 = 6,715,580.68 : x - Step 2: Convert to fraction form
9,811,562.68/13,528,369.74 = 6,715,580.68/x - Step 3: Cross multiply
9,811,562.68x = 13,528,369.74 × 6,715,580.68 - Step 4: Simplify right side
9,811,562.68x = 90,850,858,457,840.62 - Step 5: Solve for x
x = 90,850,858,457,840.62/9,811,562.68 - Step 6: Final answer
x = 9,259,570.71
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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.