Finding the Fourth Proportional to 19,042,257.47, 26,277,939.97 and 11,202,616.98
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Solution
The fourth proportional to 19,042,257.47, 26,277,939.97 and 11,202,616.98 is: 15,459,390.62
Step by Step Solution
- Step 1: Write the proportion equation
19,042,257.47 : 26,277,939.97 = 11,202,616.98 : x - Step 2: Convert to fraction form
19,042,257.47/26,277,939.97 = 11,202,616.98/x - Step 3: Cross multiply
19,042,257.47x = 26,277,939.97 × 11,202,616.98 - Step 4: Simplify right side
19,042,257.47x = 294,381,696,479,336.19 - Step 5: Solve for x
x = 294,381,696,479,336.19/19,042,257.47 - Step 6: Final answer
x = 15,459,390.62
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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.