Finding the Fourth Proportional to 10,961,966.70, 16,419,330.45 and 9,072,398.70
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Solution
The fourth proportional to 10,961,966.70, 16,419,330.45 and 9,072,398.70 is: 13,589,049.88
Step by Step Solution
- Step 1: Write the proportion equation
10,961,966.70 : 16,419,330.45 = 9,072,398.70 : x - Step 2: Convert to fraction form
10,961,966.70/16,419,330.45 = 9,072,398.70/x - Step 3: Cross multiply
10,961,966.70x = 16,419,330.45 × 9,072,398.70 - Step 4: Simplify right side
10,961,966.70x = 148,962,712,229,450.41 - Step 5: Solve for x
x = 148,962,712,229,450.41/10,961,966.70 - Step 6: Final answer
x = 13,589,049.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.