Finding the Fourth Proportional to 17,558,286, 26,336,934.36 and 4,778,901.42
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Solution
The fourth proportional to 17,558,286, 26,336,934.36 and 4,778,901.42 is: 7,168,217.50
Step by Step Solution
- Step 1: Write the proportion equation
17,558,286 : 26,336,934.36 = 4,778,901.42 : x - Step 2: Convert to fraction form
17,558,286/26,336,934.36 = 4,778,901.42/x - Step 3: Cross multiply
17,558,286x = 26,336,934.36 × 4,778,901.42 - Step 4: Simplify right side
17,558,286x = 125,861,613,011,450.78 - Step 5: Solve for x
x = 125,861,613,011,450.78/17,558,286 - Step 6: Final answer
x = 7,168,217.50
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1.5x scale
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.