Finding the Fourth Proportional to 13,504,497.19, 18,636,207.03 and 7,392,925.69
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Solution
The fourth proportional to 13,504,497.19, 18,636,207.03 and 7,392,925.69 is: 10,202,237.95
Step by Step Solution
- Step 1: Write the proportion equation
13,504,497.19 : 18,636,207.03 = 7,392,925.69 : x - Step 2: Convert to fraction form
13,504,497.19/18,636,207.03 = 7,392,925.69/x - Step 3: Cross multiply
13,504,497.19x = 18,636,207.03 × 7,392,925.69 - Step 4: Simplify right side
13,504,497.19x = 137,776,093,669,655.09 - Step 5: Solve for x
x = 137,776,093,669,655.09/13,504,497.19 - Step 6: Final answer
x = 10,202,237.95
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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.