Finding the Fourth Proportional to 12,018,412.06, 18,015,020.97 and 4,440,544.54
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Solution
The fourth proportional to 12,018,412.06, 18,015,020.97 and 4,440,544.54 is: 6,656,162.44
Step by Step Solution
- Step 1: Write the proportion equation
12,018,412.06 : 18,015,020.97 = 4,440,544.54 : x - Step 2: Convert to fraction form
12,018,412.06/18,015,020.97 = 4,440,544.54/x - Step 3: Cross multiply
12,018,412.06x = 18,015,020.97 × 4,440,544.54 - Step 4: Simplify right side
12,018,412.06x = 79,996,502,944,629.39 - Step 5: Solve for x
x = 79,996,502,944,629.39/12,018,412.06 - Step 6: Final answer
x = 6,656,162.44
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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.