Finding the Fourth Proportional to 8,917,777.63, 12,306,596.12 and 4,843,396.63
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Solution
The fourth proportional to 8,917,777.63, 12,306,596.12 and 4,843,396.63 is: 6,683,921.56
Step by Step Solution
- Step 1: Write the proportion equation
8,917,777.63 : 12,306,596.12 = 4,843,396.63 : x - Step 2: Convert to fraction form
8,917,777.63/12,306,596.12 = 4,843,396.63/x - Step 3: Cross multiply
8,917,777.63x = 12,306,596.12 × 4,843,396.63 - Step 4: Simplify right side
8,917,777.63x = 59,605,726,174,379.07 - Step 5: Solve for x
x = 59,605,726,174,379.07/8,917,777.63 - Step 6: Final answer
x = 6,683,921.56
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1.5x scale
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.