Finding the Fourth Proportional to 7,986,192.77, 11,023,203.68 and 4,724,141.49
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Solution
The fourth proportional to 7,986,192.77, 11,023,203.68 and 4,724,141.49 is: 6,520,650.75
Step by Step Solution
- Step 1: Write the proportion equation
7,986,192.77 : 11,023,203.68 = 4,724,141.49 : x - Step 2: Convert to fraction form
7,986,192.77/11,023,203.68 = 4,724,141.49/x - Step 3: Cross multiply
7,986,192.77x = 11,023,203.68 × 4,724,141.49 - Step 4: Simplify right side
7,986,192.77x = 52,075,173,833,787.98 - Step 5: Solve for x
x = 52,075,173,833,787.98/7,986,192.77 - Step 6: Final answer
x = 6,520,650.75
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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.