Finding the Fourth Proportional to 10,457,628.14, 14,431,876.90 and 5,811,609.02
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Solution
The fourth proportional to 10,457,628.14, 14,431,876.90 and 5,811,609.02 is: 8,020,214.99
Step by Step Solution
- Step 1: Write the proportion equation
10,457,628.14 : 14,431,876.90 = 5,811,609.02 : x - Step 2: Convert to fraction form
10,457,628.14/14,431,876.90 = 5,811,609.02/x - Step 3: Cross multiply
10,457,628.14x = 14,431,876.90 × 5,811,609.02 - Step 4: Simplify right side
10,457,628.14x = 83,872,425,967,569.64 - Step 5: Solve for x
x = 83,872,425,967,569.64/10,457,628.14 - Step 6: Final answer
x = 8,020,214.99
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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.