Finding the Fourth Proportional to 17,620,943.16, 26,428,261.68 and 11,212,158.36
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Solution
The fourth proportional to 17,620,943.16, 26,428,261.68 and 11,212,158.36 is: 16,816,231.26
Step by Step Solution
- Step 1: Write the proportion equation
17,620,943.16 : 26,428,261.68 = 11,212,158.36 : x - Step 2: Convert to fraction form
17,620,943.16/26,428,261.68 = 11,212,158.36/x - Step 3: Cross multiply
17,620,943.16x = 26,428,261.68 × 11,212,158.36 - Step 4: Simplify right side
17,620,943.16x = 296,317,855,135,679.62 - Step 5: Solve for x
x = 296,317,855,135,679.62/17,620,943.16 - Step 6: Final answer
x = 16,816,231.26
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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.