Finding the Fourth Proportional to 10,251,243.96, 14,145,469.74 and 5,666,929.08
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Solution
The fourth proportional to 10,251,243.96, 14,145,469.74 and 5,666,929.08 is: 7,819,672.83
Step by Step Solution
- Step 1: Write the proportion equation
10,251,243.96 : 14,145,469.74 = 5,666,929.08 : x - Step 2: Convert to fraction form
10,251,243.96/14,145,469.74 = 5,666,929.08/x - Step 3: Cross multiply
10,251,243.96x = 14,145,469.74 × 5,666,929.08 - Step 4: Simplify right side
10,251,243.96x = 80,161,373,819,866.05 - Step 5: Solve for x
x = 80,161,373,819,866.05/10,251,243.96 - Step 6: Final answer
x = 7,819,672.83
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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.