Finding the Fourth Proportional to 18,510,628.29, 27,776,574.21 and 14,455,733.46
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Solution
The fourth proportional to 18,510,628.29, 27,776,574.21 and 14,455,733.46 is: 21,691,902.99
Step by Step Solution
- Step 1: Write the proportion equation
18,510,628.29 : 27,776,574.21 = 14,455,733.46 : x - Step 2: Convert to fraction form
18,510,628.29/27,776,574.21 = 14,455,733.46/x - Step 3: Cross multiply
18,510,628.29x = 27,776,574.21 × 14,455,733.46 - Step 4: Simplify right side
18,510,628.29x = 401,530,753,211,670.12 - Step 5: Solve for x
x = 401,530,753,211,670.12/18,510,628.29 - Step 6: Final answer
x = 21,691,902.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.