Finding the Fourth Proportional to 7,868,743.76, 11,800,782.84 and 3,379,970
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Solution
The fourth proportional to 7,868,743.76, 11,800,782.84 and 3,379,970 is: 5,068,952.96
Step by Step Solution
- Step 1: Write the proportion equation
7,868,743.76 : 11,800,782.84 = 3,379,970 : x - Step 2: Convert to fraction form
7,868,743.76/11,800,782.84 = 3,379,970/x - Step 3: Cross multiply
7,868,743.76x = 11,800,782.84 × 3,379,970 - Step 4: Simplify right side
7,868,743.76x = 39,886,291,975,714.80 - Step 5: Solve for x
x = 39,886,291,975,714.80/7,868,743.76 - Step 6: Final answer
x = 5,068,952.96
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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.