Finding the Fourth Proportional to 8,193,491.44, 12,290,827.66 and 3,144,801.94
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Solution
The fourth proportional to 8,193,491.44, 12,290,827.66 and 3,144,801.94 is: 4,717,429.55
Step by Step Solution
- Step 1: Write the proportion equation
8,193,491.44 : 12,290,827.66 = 3,144,801.94 : x - Step 2: Convert to fraction form
8,193,491.44/12,290,827.66 = 3,144,801.94/x - Step 3: Cross multiply
8,193,491.44x = 12,290,827.66 × 3,144,801.94 - Step 4: Simplify right side
8,193,491.44x = 38,652,218,630,784.59 - Step 5: Solve for x
x = 38,652,218,630,784.59/8,193,491.44 - Step 6: Final answer
x = 4,717,429.55
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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.