Finding the Fourth Proportional to 11,284,299.39, 15,572,110.74 and 6,638,586.51
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Solution
The fourth proportional to 11,284,299.39, 15,572,110.74 and 6,638,586.51 is: 9,161,118.53
Step by Step Solution
- Step 1: Write the proportion equation
11,284,299.39 : 15,572,110.74 = 6,638,586.51 : x - Step 2: Convert to fraction form
11,284,299.39/15,572,110.74 = 6,638,586.51/x - Step 3: Cross multiply
11,284,299.39x = 15,572,110.74 × 6,638,586.51 - Step 4: Simplify right side
11,284,299.39x = 103,376,804,290,790.11 - Step 5: Solve for x
x = 103,376,804,290,790.11/11,284,299.39 - Step 6: Final answer
x = 9,161,118.53
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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.