Finding the Fourth Proportional to 11,400,916.49, 15,733,279.92 and 6,173,933.67
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Solution
The fourth proportional to 11,400,916.49, 15,733,279.92 and 6,173,933.67 is: 8,520,036.68
Step by Step Solution
- Step 1: Write the proportion equation
11,400,916.49 : 15,733,279.92 = 6,173,933.67 : x - Step 2: Convert to fraction form
11,400,916.49/15,733,279.92 = 6,173,933.67/x - Step 3: Cross multiply
11,400,916.49x = 15,733,279.92 × 6,173,933.67 - Step 4: Simplify right side
11,400,916.49x = 97,136,226,637,622.91 - Step 5: Solve for x
x = 97,136,226,637,622.91/11,400,916.49 - Step 6: Final answer
x = 8,520,036.68
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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.