Finding the Fourth Proportional to 48,268,886.40, 72,405,079.20 and 14,193,676.80
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Solution
The fourth proportional to 48,268,886.40, 72,405,079.20 and 14,193,676.80 is: 21,291,029.68
Step by Step Solution
- Step 1: Write the proportion equation
48,268,886.40 : 72,405,079.20 = 14,193,676.80 : x - Step 2: Convert to fraction form
48,268,886.40/72,405,079.20 = 14,193,676.80/x - Step 3: Cross multiply
48,268,886.40x = 72,405,079.20 × 14,193,676.80 - Step 4: Simplify right side
48,268,886.40x = 1,027,694,292,843,202.62 - Step 5: Solve for x
x = 1,027,694,292,843,202.62/48,268,886.40 - Step 6: Final answer
x = 21,291,029.68
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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.