Finding the Fourth Proportional to 17,128,663.99, 25,682,735.81 and 5,451,992.15
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Solution
The fourth proportional to 17,128,663.99, 25,682,735.81 and 5,451,992.15 is: 8,174,722.44
Step by Step Solution
- Step 1: Write the proportion equation
17,128,663.99 : 25,682,735.81 = 5,451,992.15 : x - Step 2: Convert to fraction form
17,128,663.99/25,682,735.81 = 5,451,992.15/x - Step 3: Cross multiply
17,128,663.99x = 25,682,735.81 × 5,451,992.15 - Step 4: Simplify right side
17,128,663.99x = 140,022,073,911,860.19 - Step 5: Solve for x
x = 140,022,073,911,860.19/17,128,663.99 - Step 6: Final answer
x = 8,174,722.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.