Finding the Fourth Proportional to 35,319,179.92, 48,729,514.32 and 20,624,245.84
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Solution
The fourth proportional to 35,319,179.92, 48,729,514.32 and 20,624,245.84 is: 28,455,062.81
Step by Step Solution
- Step 1: Write the proportion equation
35,319,179.92 : 48,729,514.32 = 20,624,245.84 : x - Step 2: Convert to fraction form
35,319,179.92/48,729,514.32 = 20,624,245.84/x - Step 3: Cross multiply
35,319,179.92x = 48,729,514.32 × 20,624,245.84 - Step 4: Simplify right side
35,319,179.92x = 1,005,009,482,999,480.38 - Step 5: Solve for x
x = 1,005,009,482,999,480.38/35,319,179.92 - Step 6: Final answer
x = 28,455,062.81
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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.