Finding the Fourth Proportional to 17,747,943.39, 26,551,869.09 and 13,442,396.49
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Solution
The fourth proportional to 17,747,943.39, 26,551,869.09 and 13,442,396.49 is: 20,110,541.49
Step by Step Solution
- Step 1: Write the proportion equation
17,747,943.39 : 26,551,869.09 = 13,442,396.49 : x - Step 2: Convert to fraction form
17,747,943.39/26,551,869.09 = 13,442,396.49/x - Step 3: Cross multiply
17,747,943.39x = 26,551,869.09 × 13,442,396.49 - Step 4: Simplify right side
17,747,943.39x = 356,920,751,858,355.50 - Step 5: Solve for x
x = 356,920,751,858,355.50/17,747,943.39 - Step 6: Final answer
x = 20,110,541.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.