Finding the Fourth Proportional to 19,950,960.44, 27,532,630.99 and 11,689,045.80
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Solution
The fourth proportional to 19,950,960.44, 27,532,630.99 and 11,689,045.80 is: 16,131,062.24
Step by Step Solution
- Step 1: Write the proportion equation
19,950,960.44 : 27,532,630.99 = 11,689,045.80 : x - Step 2: Convert to fraction form
19,950,960.44/27,532,630.99 = 11,689,045.80/x - Step 3: Cross multiply
19,950,960.44x = 27,532,630.99 × 11,689,045.80 - Step 4: Simplify right side
19,950,960.44x = 321,830,184,636,609.31 - Step 5: Solve for x
x = 321,830,184,636,609.31/19,950,960.44 - Step 6: Final answer
x = 16,131,062.24
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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.