Finding the Fourth Proportional to 7,716,151.80, 11,571,863.58 and 5,335,296.12
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Solution
The fourth proportional to 7,716,151.80, 11,571,863.58 and 5,335,296.12 is: 8,001,309.52
Step by Step Solution
- Step 1: Write the proportion equation
7,716,151.80 : 11,571,863.58 = 5,335,296.12 : x - Step 2: Convert to fraction form
7,716,151.80/11,571,863.58 = 5,335,296.12/x - Step 3: Cross multiply
7,716,151.80x = 11,571,863.58 × 5,335,296.12 - Step 4: Simplify right side
7,716,151.80x = 61,739,318,859,543.31 - Step 5: Solve for x
x = 61,739,318,859,543.31/7,716,151.80 - Step 6: Final answer
x = 8,001,309.52
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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.