Finding the Fourth Proportional to 10,279,566.08, 15,419,384.68 and 2,603,208.88
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Solution
The fourth proportional to 10,279,566.08, 15,419,384.68 and 2,603,208.88 is: 3,904,822.33
Step by Step Solution
- Step 1: Write the proportion equation
10,279,566.08 : 15,419,384.68 = 2,603,208.88 : x - Step 2: Convert to fraction form
10,279,566.08/15,419,384.68 = 2,603,208.88/x - Step 3: Cross multiply
10,279,566.08x = 15,419,384.68 × 2,603,208.88 - Step 4: Simplify right side
10,279,566.08x = 40,139,879,123,111.95 - Step 5: Solve for x
x = 40,139,879,123,111.95/10,279,566.08 - Step 6: Final answer
x = 3,904,822.33
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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.