Finding the Fourth Proportional to 12,136,249.98, 16,747,973.91 and 6,703,741.98
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Solution
The fourth proportional to 12,136,249.98, 16,747,973.91 and 6,703,741.98 is: 9,251,135.73
Step by Step Solution
- Step 1: Write the proportion equation
12,136,249.98 : 16,747,973.91 = 6,703,741.98 : x - Step 2: Convert to fraction form
12,136,249.98/16,747,973.91 = 6,703,741.98/x - Step 3: Cross multiply
12,136,249.98x = 16,747,973.91 × 6,703,741.98 - Step 4: Simplify right side
12,136,249.98x = 112,274,095,780,411.75 - Step 5: Solve for x
x = 112,274,095,780,411.75/12,136,249.98 - Step 6: Final answer
x = 9,251,135.73
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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.