Finding the Fourth Proportional to 38,141,830.62, 52,635,106.10 and 20,738,614.08
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Solution
The fourth proportional to 38,141,830.62, 52,635,106.10 and 20,738,614.08 is: 28,618,950.24
Step by Step Solution
- Step 1: Write the proportion equation
38,141,830.62 : 52,635,106.10 = 20,738,614.08 : x - Step 2: Convert to fraction form
38,141,830.62/52,635,106.10 = 20,738,614.08/x - Step 3: Cross multiply
38,141,830.62x = 52,635,106.10 × 20,738,614.08 - Step 4: Simplify right side
38,141,830.62x = 1,091,579,152,467,753.88 - Step 5: Solve for x
x = 1,091,579,152,467,753.88/38,141,830.62 - Step 6: Final answer
x = 28,618,950.24
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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.