Finding the Fourth Proportional to 11,580,473.46, 15,979,398.26 and 6,933,144.92
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Solution
The fourth proportional to 11,580,473.46, 15,979,398.26 and 6,933,144.92 is: 9,566,749.08
Step by Step Solution
- Step 1: Write the proportion equation
11,580,473.46 : 15,979,398.26 = 6,933,144.92 : x - Step 2: Convert to fraction form
11,580,473.46/15,979,398.26 = 6,933,144.92/x - Step 3: Cross multiply
11,580,473.46x = 15,979,398.26 × 6,933,144.92 - Step 4: Simplify right side
11,580,473.46x = 110,787,483,870,975.84 - Step 5: Solve for x
x = 110,787,483,870,975.84/11,580,473.46 - Step 6: Final answer
x = 9,566,749.08
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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.