Finding the Fourth Proportional to 10,346,284.74, 14,278,986.60 and 5,700,536.82
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Solution
The fourth proportional to 10,346,284.74, 14,278,986.60 and 5,700,536.82 is: 7,867,354.41
Step by Step Solution
- Step 1: Write the proportion equation
10,346,284.74 : 14,278,986.60 = 5,700,536.82 : x - Step 2: Convert to fraction form
10,346,284.74/14,278,986.60 = 5,700,536.82/x - Step 3: Cross multiply
10,346,284.74x = 14,278,986.60 × 5,700,536.82 - Step 4: Simplify right side
10,346,284.74x = 81,397,888,865,586.61 - Step 5: Solve for x
x = 81,397,888,865,586.61/10,346,284.74 - Step 6: Final answer
x = 7,867,354.41
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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.