Finding the Fourth Proportional to 7,544,643.72, 11,317,771.35 and 3,227,140.56
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Solution
The fourth proportional to 7,544,643.72, 11,317,771.35 and 3,227,140.56 is: 4,841,055.50
Step by Step Solution
- Step 1: Write the proportion equation
7,544,643.72 : 11,317,771.35 = 3,227,140.56 : x - Step 2: Convert to fraction form
7,544,643.72/11,317,771.35 = 3,227,140.56/x - Step 3: Cross multiply
7,544,643.72x = 11,317,771.35 × 3,227,140.56 - Step 4: Simplify right side
7,544,643.72x = 36,524,038,972,390.95 - Step 5: Solve for x
x = 36,524,038,972,390.95/7,544,643.72 - Step 6: Final answer
x = 4,841,055.50
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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.