Finding the Fourth Proportional to 7,690,327.92, 11,536,146.36 and 2,010,543.12
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Solution
The fourth proportional to 7,690,327.92, 11,536,146.36 and 2,010,543.12 is: 3,015,985.79
Step by Step Solution
- Step 1: Write the proportion equation
7,690,327.92 : 11,536,146.36 = 2,010,543.12 : x - Step 2: Convert to fraction form
7,690,327.92/11,536,146.36 = 2,010,543.12/x - Step 3: Cross multiply
7,690,327.92x = 11,536,146.36 × 2,010,543.12 - Step 4: Simplify right side
7,690,327.92x = 23,193,919,695,411.04 - Step 5: Solve for x
x = 23,193,919,695,411.04/7,690,327.92 - Step 6: Final answer
x = 3,015,985.79
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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.