Finding the Fourth Proportional to 7,862,116.72, 11,793,241.08 and 2,182,783.92
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Solution
The fourth proportional to 7,862,116.72, 11,793,241.08 and 2,182,783.92 is: 3,274,194.20
Step by Step Solution
- Step 1: Write the proportion equation
7,862,116.72 : 11,793,241.08 = 2,182,783.92 : x - Step 2: Convert to fraction form
7,862,116.72/11,793,241.08 = 2,182,783.92/x - Step 3: Cross multiply
7,862,116.72x = 11,793,241.08 × 2,182,783.92 - Step 4: Simplify right side
7,862,116.72x = 25,742,096,994,107.43 - Step 5: Solve for x
x = 25,742,096,994,107.43/7,862,116.72 - Step 6: Final answer
x = 3,274,194.20
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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.