Finding the Fourth Proportional to 28,397,578.44, 42,596,365.05 and 6,832,180.17
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Solution
The fourth proportional to 28,397,578.44, 42,596,365.05 and 6,832,180.17 is: 10,248,269.63
Step by Step Solution
- Step 1: Write the proportion equation
28,397,578.44 : 42,596,365.05 = 6,832,180.17 : x - Step 2: Convert to fraction form
28,397,578.44/42,596,365.05 = 6,832,180.17/x - Step 3: Cross multiply
28,397,578.44x = 42,596,365.05 × 6,832,180.17 - Step 4: Simplify right side
28,397,578.44x = 291,026,040,608,691.06 - Step 5: Solve for x
x = 291,026,040,608,691.06/28,397,578.44 - Step 6: Final answer
x = 10,248,269.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.