Finding the Fourth Proportional to 19,133,832.80, 26,429,893.98 and 14,182,311.98
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Solution
The fourth proportional to 19,133,832.80, 26,429,893.98 and 14,182,311.98 is: 19,590,272.68
Step by Step Solution
- Step 1: Write the proportion equation
19,133,832.80 : 26,429,893.98 = 14,182,311.98 : x - Step 2: Convert to fraction form
19,133,832.80/26,429,893.98 = 14,182,311.98/x - Step 3: Cross multiply
19,133,832.80x = 26,429,893.98 × 14,182,311.98 - Step 4: Simplify right side
19,133,832.80x = 374,837,002,022,683.88 - Step 5: Solve for x
x = 374,837,002,022,683.88/19,133,832.80 - Step 6: Final answer
x = 19,590,272.68
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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.