Finding the Fourth Proportional to 20,202,976.36, 27,880,106.24 and 10,910,545.49
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Solution
The fourth proportional to 20,202,976.36, 27,880,106.24 and 10,910,545.49 is: 15,056,552.17
Step by Step Solution
- Step 1: Write the proportion equation
20,202,976.36 : 27,880,106.24 = 10,910,545.49 : x - Step 2: Convert to fraction form
20,202,976.36/27,880,106.24 = 10,910,545.49/x - Step 3: Cross multiply
20,202,976.36x = 27,880,106.24 × 10,910,545.49 - Step 4: Simplify right side
20,202,976.36x = 304,187,167,494,529.50 - Step 5: Solve for x
x = 304,187,167,494,529.50/20,202,976.36 - Step 6: Final answer
x = 15,056,552.17
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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.