Finding the Fourth Proportional to 13,723,605.43, 20,585,555.66 and 4,139,066.99
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Solution
The fourth proportional to 13,723,605.43, 20,585,555.66 and 4,139,066.99 is: 6,208,644.98
Step by Step Solution
- Step 1: Write the proportion equation
13,723,605.43 : 20,585,555.66 = 4,139,066.99 : x - Step 2: Convert to fraction form
13,723,605.43/20,585,555.66 = 4,139,066.99/x - Step 3: Cross multiply
13,723,605.43x = 20,585,555.66 × 4,139,066.99 - Step 4: Simplify right side
13,723,605.43x = 85,204,993,964,925.23 - Step 5: Solve for x
x = 85,204,993,964,925.23/13,723,605.43 - Step 6: Final answer
x = 6,208,644.98
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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.