Finding the Fourth Proportional to 6,413,118.16, 8,845,845.24 and 4,124,174.80
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Solution
The fourth proportional to 6,413,118.16, 8,845,845.24 and 4,124,174.80 is: 5,688,623.09
Step by Step Solution
- Step 1: Write the proportion equation
6,413,118.16 : 8,845,845.24 = 4,124,174.80 : x - Step 2: Convert to fraction form
6,413,118.16/8,845,845.24 = 4,124,174.80/x - Step 3: Cross multiply
6,413,118.16x = 8,845,845.24 × 4,124,174.80 - Step 4: Simplify right side
6,413,118.16x = 36,481,812,023,507.95 - Step 5: Solve for x
x = 36,481,812,023,507.95/6,413,118.16 - Step 6: Final answer
x = 5,688,623.09
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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.