Finding the Fourth Proportional to 11,293,290.42, 15,584,826.51 and 6,136,679.76
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Solution
The fourth proportional to 11,293,290.42, 15,584,826.51 and 6,136,679.76 is: 8,468,664.65
Step by Step Solution
- Step 1: Write the proportion equation
11,293,290.42 : 15,584,826.51 = 6,136,679.76 : x - Step 2: Convert to fraction form
11,293,290.42/15,584,826.51 = 6,136,679.76/x - Step 3: Cross multiply
11,293,290.42x = 15,584,826.51 × 6,136,679.76 - Step 4: Simplify right side
11,293,290.42x = 95,639,089,407,028.44 - Step 5: Solve for x
x = 95,639,089,407,028.44/11,293,290.42 - Step 6: Final answer
x = 8,468,664.65
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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.