Finding the Fourth Proportional to 12,393,793.99, 17,103,613.67 and 6,812,557.44
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Solution
The fourth proportional to 12,393,793.99, 17,103,613.67 and 6,812,557.44 is: 9,401,427.09
Step by Step Solution
- Step 1: Write the proportion equation
12,393,793.99 : 17,103,613.67 = 6,812,557.44 : x - Step 2: Convert to fraction form
12,393,793.99/17,103,613.67 = 6,812,557.44/x - Step 3: Cross multiply
12,393,793.99x = 17,103,613.67 × 6,812,557.44 - Step 4: Simplify right side
12,393,793.99x = 116,519,350,558,444.22 - Step 5: Solve for x
x = 116,519,350,558,444.22/12,393,793.99 - Step 6: Final answer
x = 9,401,427.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.