Finding the Fourth Proportional to 16,185,638.90, 24,278,458.35 and 4,218,374.90
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Solution
The fourth proportional to 16,185,638.90, 24,278,458.35 and 4,218,374.90 is: 6,327,562.35
Step by Step Solution
- Step 1: Write the proportion equation
16,185,638.90 : 24,278,458.35 = 4,218,374.90 : x - Step 2: Convert to fraction form
16,185,638.90/24,278,458.35 = 4,218,374.90/x - Step 3: Cross multiply
16,185,638.90x = 24,278,458.35 × 4,218,374.90 - Step 4: Simplify right side
16,185,638.90x = 102,415,639,314,335.44 - Step 5: Solve for x
x = 102,415,639,314,335.44/16,185,638.90 - Step 6: Final answer
x = 6,327,562.35
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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.