Finding the Fourth Proportional to 7,330,828.14, 10,996,278.54 and 3,015,231.66
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Solution
The fourth proportional to 7,330,828.14, 10,996,278.54 and 3,015,231.66 is: 4,522,862.43
Step by Step Solution
- Step 1: Write the proportion equation
7,330,828.14 : 10,996,278.54 = 3,015,231.66 : x - Step 2: Convert to fraction form
7,330,828.14/10,996,278.54 = 3,015,231.66/x - Step 3: Cross multiply
7,330,828.14x = 10,996,278.54 × 3,015,231.66 - Step 4: Simplify right side
7,330,828.14x = 33,156,327,195,986.57 - Step 5: Solve for x
x = 33,156,327,195,986.57/7,330,828.14 - Step 6: Final answer
x = 4,522,862.43
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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.