Finding the Fourth Proportional to 19,936,039.50, 27,511,745.58 and 10,768,682.34
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Solution
The fourth proportional to 19,936,039.50, 27,511,745.58 and 10,768,682.34 is: 14,860,787.61
Step by Step Solution
- Step 1: Write the proportion equation
19,936,039.50 : 27,511,745.58 = 10,768,682.34 : x - Step 2: Convert to fraction form
19,936,039.50/27,511,745.58 = 10,768,682.34/x - Step 3: Cross multiply
19,936,039.50x = 27,511,745.58 × 10,768,682.34 - Step 4: Simplify right side
19,936,039.50x = 296,265,248,769,919.06 - Step 5: Solve for x
x = 296,265,248,769,919.06/19,936,039.50 - Step 6: Final answer
x = 14,860,787.61
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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.