Finding the Fourth Proportional to 7,452,863.74, 11,181,658.65 and 2,660,450.14
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Solution
The fourth proportional to 7,452,863.74, 11,181,658.65 and 2,660,450.14 is: 3,991,518.74
Step by Step Solution
- Step 1: Write the proportion equation
7,452,863.74 : 11,181,658.65 = 2,660,450.14 : x - Step 2: Convert to fraction form
7,452,863.74/11,181,658.65 = 2,660,450.14/x - Step 3: Cross multiply
7,452,863.74x = 11,181,658.65 × 2,660,450.14 - Step 4: Simplify right side
7,452,863.74x = 29,748,245,320,824.71 - Step 5: Solve for x
x = 29,748,245,320,824.71/7,452,863.74 - Step 6: Final answer
x = 3,991,518.74
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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.