Finding the Fourth Proportional to 11,891,949.08, 16,412,251.13 and 6,666,368.61
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Solution
The fourth proportional to 11,891,949.08, 16,412,251.13 and 6,666,368.61 is: 9,200,351.85
Step by Step Solution
- Step 1: Write the proportion equation
11,891,949.08 : 16,412,251.13 = 6,666,368.61 : x - Step 2: Convert to fraction form
11,891,949.08/16,412,251.13 = 6,666,368.61/x - Step 3: Cross multiply
11,891,949.08x = 16,412,251.13 × 6,666,368.61 - Step 4: Simplify right side
11,891,949.08x = 109,410,115,719,137.19 - Step 5: Solve for x
x = 109,410,115,719,137.19/11,891,949.08 - Step 6: Final answer
x = 9,200,351.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.