Finding the Fourth Proportional to 16,045,538.33, 22,142,712.88 and 8,703,353.09
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Solution
The fourth proportional to 16,045,538.33, 22,142,712.88 and 8,703,353.09 is: 12,010,556.74
Step by Step Solution
- Step 1: Write the proportion equation
16,045,538.33 : 22,142,712.88 = 8,703,353.09 : x - Step 2: Convert to fraction form
16,045,538.33/22,142,712.88 = 8,703,353.09/x - Step 3: Cross multiply
16,045,538.33x = 22,142,712.88 × 8,703,353.09 - Step 4: Simplify right side
16,045,538.33x = 192,715,848,631,366.78 - Step 5: Solve for x
x = 192,715,848,631,366.78/16,045,538.33 - Step 6: Final answer
x = 12,010,556.74
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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.