Finding the Fourth Proportional to 15,037,907.80, 20,748,754.92 and 8,511,536.38
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Solution
The fourth proportional to 15,037,907.80, 20,748,754.92 and 8,511,536.38 is: 11,743,906.45
Step by Step Solution
- Step 1: Write the proportion equation
15,037,907.80 : 20,748,754.92 = 8,511,536.38 : x - Step 2: Convert to fraction form
15,037,907.80/20,748,754.92 = 8,511,536.38/x - Step 3: Cross multiply
15,037,907.80x = 20,748,754.92 × 8,511,536.38 - Step 4: Simplify right side
15,037,907.80x = 176,603,782,341,284.03 - Step 5: Solve for x
x = 176,603,782,341,284.03/15,037,907.80 - Step 6: Final answer
x = 11,743,906.45
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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.