Finding the Fourth Proportional to 11,330,498.70, 16,995,748.05 and 9,789,319.80
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Solution
The fourth proportional to 11,330,498.70, 16,995,748.05 and 9,789,319.80 is: 14,683,979.70
Step by Step Solution
- Step 1: Write the proportion equation
11,330,498.70 : 16,995,748.05 = 9,789,319.80 : x - Step 2: Convert to fraction form
11,330,498.70/16,995,748.05 = 9,789,319.80/x - Step 3: Cross multiply
11,330,498.70x = 16,995,748.05 × 9,789,319.80 - Step 4: Simplify right side
11,330,498.70x = 166,376,812,901,676.41 - Step 5: Solve for x
x = 166,376,812,901,676.41/11,330,498.70 - Step 6: Final answer
x = 14,683,979.70
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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.