Finding the Fourth Proportional to 30,879,835.20, 46,319,861.07 and 7,850,772.18
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Solution
The fourth proportional to 30,879,835.20, 46,319,861.07 and 7,850,772.18 is: 11,776,185.80
Step by Step Solution
- Step 1: Write the proportion equation
30,879,835.20 : 46,319,861.07 = 7,850,772.18 : x - Step 2: Convert to fraction form
30,879,835.20/46,319,861.07 = 7,850,772.18/x - Step 3: Cross multiply
30,879,835.20x = 46,319,861.07 × 7,850,772.18 - Step 4: Simplify right side
30,879,835.20x = 363,646,676,669,821 - Step 5: Solve for x
x = 363,646,676,669,821/30,879,835.20 - Step 6: Final answer
x = 11,776,185.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.