Finding the Fourth Proportional to 8,093,121.30, 12,139,681.95 and 4,497,168.42
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Solution
The fourth proportional to 8,093,121.30, 12,139,681.95 and 4,497,168.42 is: 6,745,752.63
Step by Step Solution
- Step 1: Write the proportion equation
8,093,121.30 : 12,139,681.95 = 4,497,168.42 : x - Step 2: Convert to fraction form
8,093,121.30/12,139,681.95 = 4,497,168.42/x - Step 3: Cross multiply
8,093,121.30x = 12,139,681.95 × 4,497,168.42 - Step 4: Simplify right side
8,093,121.30x = 54,594,194,294,384.02 - Step 5: Solve for x
x = 54,594,194,294,384.02/8,093,121.30 - Step 6: Final answer
x = 6,745,752.63
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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.