Finding the Fourth Proportional to 46,291,227.66, 69,388,234.74 and 15,575,143.95
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Solution
The fourth proportional to 46,291,227.66, 69,388,234.74 and 15,575,143.95 is: 23,346,361.70
Step by Step Solution
- Step 1: Write the proportion equation
46,291,227.66 : 69,388,234.74 = 15,575,143.95 : x - Step 2: Convert to fraction form
46,291,227.66/69,388,234.74 = 15,575,143.95/x - Step 3: Cross multiply
46,291,227.66x = 69,388,234.74 × 15,575,143.95 - Step 4: Simplify right side
46,291,227.66x = 1,080,731,744,511,890.75 - Step 5: Solve for x
x = 1,080,731,744,511,890.75/46,291,227.66 - Step 6: Final answer
x = 23,346,361.70
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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.