Finding the Fourth Proportional to 11,634,545.84, 16,057,418.79 and 8,839,068.98
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Solution
The fourth proportional to 11,634,545.84, 16,057,418.79 and 8,839,068.98 is: 12,199,241.32
Step by Step Solution
- Step 1: Write the proportion equation
11,634,545.84 : 16,057,418.79 = 8,839,068.98 : x - Step 2: Convert to fraction form
11,634,545.84/16,057,418.79 = 8,839,068.98/x - Step 3: Cross multiply
11,634,545.84x = 16,057,418.79 × 8,839,068.98 - Step 4: Simplify right side
11,634,545.84x = 141,932,632,325,558.12 - Step 5: Solve for x
x = 141,932,632,325,558.12/11,634,545.84 - Step 6: Final answer
x = 12,199,241.32
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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.