Finding the Fourth Proportional to 13,493,613.24, 20,240,403.57 and 4,395,695.99
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Solution
The fourth proportional to 13,493,613.24, 20,240,403.57 and 4,395,695.99 is: 6,593,538.67
Step by Step Solution
- Step 1: Write the proportion equation
13,493,613.24 : 20,240,403.57 = 4,395,695.99 : x - Step 2: Convert to fraction form
13,493,613.24/20,240,403.57 = 4,395,695.99/x - Step 3: Cross multiply
13,493,613.24x = 20,240,403.57 × 4,395,695.99 - Step 4: Simplify right side
13,493,613.24x = 88,970,660,707,428.67 - Step 5: Solve for x
x = 88,970,660,707,428.67/13,493,613.24 - Step 6: Final answer
x = 6,593,538.67
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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.