Finding the Fourth Proportional to 7,889,372.85, 11,833,140.70 and 2,131,832.91
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Solution
The fourth proportional to 7,889,372.85, 11,833,140.70 and 2,131,832.91 is: 3,197,501.15
Step by Step Solution
- Step 1: Write the proportion equation
7,889,372.85 : 11,833,140.70 = 2,131,832.91 : x - Step 2: Convert to fraction form
7,889,372.85/11,833,140.70 = 2,131,832.91/x - Step 3: Cross multiply
7,889,372.85x = 11,833,140.70 × 2,131,832.91 - Step 4: Simplify right side
7,889,372.85x = 25,226,278,772,920.44 - Step 5: Solve for x
x = 25,226,278,772,920.44/7,889,372.85 - Step 6: Final answer
x = 3,197,501.15
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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.