Finding the Fourth Proportional to 9,946,397.81, 14,919,546.72 and 8,594,446.79
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Solution
The fourth proportional to 9,946,397.81, 14,919,546.72 and 8,594,446.79 is: 12,891,626.99
Step by Step Solution
- Step 1: Write the proportion equation
9,946,397.81 : 14,919,546.72 = 8,594,446.79 : x - Step 2: Convert to fraction form
9,946,397.81/14,919,546.72 = 8,594,446.79/x - Step 3: Cross multiply
9,946,397.81x = 14,919,546.72 × 8,594,446.79 - Step 4: Simplify right side
9,946,397.81x = 128,225,250,415,959.02 - Step 5: Solve for x
x = 128,225,250,415,959.02/9,946,397.81 - Step 6: Final answer
x = 12,891,626.99
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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.