Finding the Fourth Proportional to 11,382,290.16, 15,707,934.45 and 6,225,651.54
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Solution
The fourth proportional to 11,382,290.16, 15,707,934.45 and 6,225,651.54 is: 8,591,603.70
Step by Step Solution
- Step 1: Write the proportion equation
11,382,290.16 : 15,707,934.45 = 6,225,651.54 : x - Step 2: Convert to fraction form
11,382,290.16/15,707,934.45 = 6,225,651.54/x - Step 3: Cross multiply
11,382,290.16x = 15,707,934.45 × 6,225,651.54 - Step 4: Simplify right side
11,382,290.16x = 97,792,126,298,861.55 - Step 5: Solve for x
x = 97,792,126,298,861.55/11,382,290.16 - Step 6: Final answer
x = 8,591,603.70
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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.