Finding the Fourth Proportional to 18,612,699.44, 27,926,743.08 and 8,232,460.88
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Solution
The fourth proportional to 18,612,699.44, 27,926,743.08 and 8,232,460.88 is: 12,352,094.37
Step by Step Solution
- Step 1: Write the proportion equation
18,612,699.44 : 27,926,743.08 = 8,232,460.88 : x - Step 2: Convert to fraction form
18,612,699.44/27,926,743.08 = 8,232,460.88/x - Step 3: Cross multiply
18,612,699.44x = 27,926,743.08 × 8,232,460.88 - Step 4: Simplify right side
18,612,699.44x = 229,905,819,911,910.69 - Step 5: Solve for x
x = 229,905,819,911,910.69/18,612,699.44 - Step 6: Final answer
x = 12,352,094.37
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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.