Finding the Fourth Proportional to 19,290,545.81, 26,608,844.22 and 11,444,503.26
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Solution
The fourth proportional to 19,290,545.81, 26,608,844.22 and 11,444,503.26 is: 15,786,230.60
Step by Step Solution
- Step 1: Write the proportion equation
19,290,545.81 : 26,608,844.22 = 11,444,503.26 : x - Step 2: Convert to fraction form
19,290,545.81/26,608,844.22 = 11,444,503.26/x - Step 3: Cross multiply
19,290,545.81x = 26,608,844.22 × 11,444,503.26 - Step 4: Simplify right side
19,290,545.81x = 304,525,004,574,057.19 - Step 5: Solve for x
x = 304,525,004,574,057.19/19,290,545.81 - Step 6: Final answer
x = 15,786,230.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.