Finding the Fourth Proportional to 11,581,673.40, 15,982,728.12 and 6,425,035.02
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Solution
The fourth proportional to 11,581,673.40, 15,982,728.12 and 6,425,035.02 is: 8,866,558.77
Step by Step Solution
- Step 1: Write the proportion equation
11,581,673.40 : 15,982,728.12 = 6,425,035.02 : x - Step 2: Convert to fraction form
11,581,673.40/15,982,728.12 = 6,425,035.02/x - Step 3: Cross multiply
11,581,673.40x = 15,982,728.12 × 6,425,035.02 - Step 4: Simplify right side
11,581,673.40x = 102,689,587,886,138.75 - Step 5: Solve for x
x = 102,689,587,886,138.75/11,581,673.40 - Step 6: Final answer
x = 8,866,558.77
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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.