Finding the Fourth Proportional to 16,215,857.91, 22,377,885.98 and 8,873,692.56
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Solution
The fourth proportional to 16,215,857.91, 22,377,885.98 and 8,873,692.56 is: 12,245,696.86
Step by Step Solution
- Step 1: Write the proportion equation
16,215,857.91 : 22,377,885.98 = 8,873,692.56 : x - Step 2: Convert to fraction form
16,215,857.91/22,377,885.98 = 8,873,692.56/x - Step 3: Cross multiply
16,215,857.91x = 22,377,885.98 × 8,873,692.56 - Step 4: Simplify right side
16,215,857.91x = 198,574,480,284,885.88 - Step 5: Solve for x
x = 198,574,480,284,885.88/16,215,857.91 - Step 6: Final answer
x = 12,245,696.86
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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.