Finding the Fourth Proportional to 35,117,205.26, 48,458,459.97 and 20,985,587.43
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Solution
The fourth proportional to 35,117,205.26, 48,458,459.97 and 20,985,587.43 is: 28,958,148.60
Step by Step Solution
- Step 1: Write the proportion equation
35,117,205.26 : 48,458,459.97 = 20,985,587.43 : x - Step 2: Convert to fraction form
35,117,205.26/48,458,459.97 = 20,985,587.43/x - Step 3: Cross multiply
35,117,205.26x = 48,458,459.97 × 20,985,587.43 - Step 4: Simplify right side
35,117,205.26x = 1,016,929,248,241,870.88 - Step 5: Solve for x
x = 1,016,929,248,241,870.88/35,117,205.26 - Step 6: Final answer
x = 28,958,148.60
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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.