Finding the Fourth Proportional to 45,163,714.48, 67,745,623.98 and 12,374,562.37
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Solution
The fourth proportional to 45,163,714.48, 67,745,623.98 and 12,374,562.37 is: 18,561,857.87
Step by Step Solution
- Step 1: Write the proportion equation
45,163,714.48 : 67,745,623.98 = 12,374,562.37 : x - Step 2: Convert to fraction form
45,163,714.48/67,745,623.98 = 12,374,562.37/x - Step 3: Cross multiply
45,163,714.48x = 67,745,623.98 × 12,374,562.37 - Step 4: Simplify right side
45,163,714.48x = 838,322,449,235,077.62 - Step 5: Solve for x
x = 838,322,449,235,077.62/45,163,714.48 - Step 6: Final answer
x = 18,561,857.87
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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.