Finding the Fourth Proportional to 25,909,179.84, 38,863,818.90 and 6,739,906.14
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Solution
The fourth proportional to 25,909,179.84, 38,863,818.90 and 6,739,906.14 is: 10,109,871.99
Step by Step Solution
- Step 1: Write the proportion equation
25,909,179.84 : 38,863,818.90 = 6,739,906.14 : x - Step 2: Convert to fraction form
25,909,179.84/38,863,818.90 = 6,739,906.14/x - Step 3: Cross multiply
25,909,179.84x = 38,863,818.90 × 6,739,906.14 - Step 4: Simplify right side
25,909,179.84x = 261,938,491,627,958.03 - Step 5: Solve for x
x = 261,938,491,627,958.03/25,909,179.84 - Step 6: Final answer
x = 10,109,871.99
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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.