Finding the Fourth Proportional to 10,193,035.74, 14,066,391.37 and 5,609,357.12
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Solution
The fourth proportional to 10,193,035.74, 14,066,391.37 and 5,609,357.12 is: 7,740,913.95
Step by Step Solution
- Step 1: Write the proportion equation
10,193,035.74 : 14,066,391.37 = 5,609,357.12 : x - Step 2: Convert to fraction form
10,193,035.74/14,066,391.37 = 5,609,357.12/x - Step 3: Cross multiply
10,193,035.74x = 14,066,391.37 × 5,609,357.12 - Step 4: Simplify right side
10,193,035.74x = 78,903,412,513,684.09 - Step 5: Solve for x
x = 78,903,412,513,684.09/10,193,035.74 - Step 6: Final answer
x = 7,740,913.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.