Finding the Fourth Proportional to 13,095,371.23, 18,070,230.26 and 7,590,472.85
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Solution
The fourth proportional to 13,095,371.23, 18,070,230.26 and 7,590,472.85 is: 10,474,051.47
Step by Step Solution
- Step 1: Write the proportion equation
13,095,371.23 : 18,070,230.26 = 7,590,472.85 : x - Step 2: Convert to fraction form
13,095,371.23/18,070,230.26 = 7,590,472.85/x - Step 3: Cross multiply
13,095,371.23x = 18,070,230.26 × 7,590,472.85 - Step 4: Simplify right side
13,095,371.23x = 137,161,592,245,930.19 - Step 5: Solve for x
x = 137,161,592,245,930.19/13,095,371.23 - Step 6: Final answer
x = 10,474,051.47
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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.