Finding the Fourth Proportional to 16,218,634.44, 22,381,774.84 and 8,776,296.52
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Solution
The fourth proportional to 16,218,634.44, 22,381,774.84 and 8,776,296.52 is: 12,111,321.30
Step by Step Solution
- Step 1: Write the proportion equation
16,218,634.44 : 22,381,774.84 = 8,776,296.52 : x - Step 2: Convert to fraction form
16,218,634.44/22,381,774.84 = 8,776,296.52/x - Step 3: Cross multiply
16,218,634.44x = 22,381,774.84 × 8,776,296.52 - Step 4: Simplify right side
16,218,634.44x = 196,429,092,661,165.25 - Step 5: Solve for x
x = 196,429,092,661,165.25/16,218,634.44 - Step 6: Final answer
x = 12,111,321.30
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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.