Finding the Fourth Proportional to 11,382,916.92, 15,708,091.18 and 6,226,166.84
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Solution
The fourth proportional to 11,382,916.92, 15,708,091.18 and 6,226,166.84 is: 8,591,927.46
Step by Step Solution
- Step 1: Write the proportion equation
11,382,916.92 : 15,708,091.18 = 6,226,166.84 : x - Step 2: Convert to fraction form
11,382,916.92/15,708,091.18 = 6,226,166.84/x - Step 3: Cross multiply
11,382,916.92x = 15,708,091.18 × 6,226,166.84 - Step 4: Simplify right side
11,382,916.92x = 97,801,196,424,612.47 - Step 5: Solve for x
x = 97,801,196,424,612.47/11,382,916.92 - Step 6: Final answer
x = 8,591,927.46
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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.