Finding the Fourth Proportional to 14,473,561.20, 21,814,375.41 and 12,475,915.44
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Solution
The fourth proportional to 14,473,561.20, 21,814,375.41 and 12,475,915.44 is: 18,803,548.02
Step by Step Solution
- Step 1: Write the proportion equation
14,473,561.20 : 21,814,375.41 = 12,475,915.44 : x - Step 2: Convert to fraction form
14,473,561.20/21,814,375.41 = 12,475,915.44/x - Step 3: Cross multiply
14,473,561.20x = 21,814,375.41 × 12,475,915.44 - Step 4: Simplify right side
14,473,561.20x = 272,154,302,991,575.31 - Step 5: Solve for x
x = 272,154,302,991,575.31/14,473,561.20 - Step 6: Final answer
x = 18,803,548.02
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.