Finding the Fourth Proportional to 16,166,450.57, 22,306,371.46 and 9,289,604.03
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Solution
The fourth proportional to 16,166,450.57, 22,306,371.46 and 9,289,604.03 is: 12,817,739.88
Step by Step Solution
- Step 1: Write the proportion equation
16,166,450.57 : 22,306,371.46 = 9,289,604.03 : x - Step 2: Convert to fraction form
16,166,450.57/22,306,371.46 = 9,289,604.03/x - Step 3: Cross multiply
16,166,450.57x = 22,306,371.46 × 9,289,604.03 - Step 4: Simplify right side
16,166,450.57x = 207,217,358,209,492.97 - Step 5: Solve for x
x = 207,217,358,209,492.97/16,166,450.57 - Step 6: Final answer
x = 12,817,739.88
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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.