Finding the Fourth Proportional to 12,665,112, 18,997,668 and 5,573,400
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Solution
The fourth proportional to 12,665,112, 18,997,668 and 5,573,400 is: 8,360,100
Step by Step Solution
- Step 1: Write the proportion equation
12,665,112 : 18,997,668 = 5,573,400 : x - Step 2: Convert to fraction form
12,665,112/18,997,668 = 5,573,400/x - Step 3: Cross multiply
12,665,112x = 18,997,668 × 5,573,400 - Step 4: Simplify right side
12,665,112x = 105,881,602,831,200 - Step 5: Solve for x
x = 105,881,602,831,200/12,665,112 - Step 6: Final answer
x = 8,360,100
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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.