Finding the Fourth Proportional to 11,246,572.70, 16,869,859.05 and 10,696,070.30
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Solution
The fourth proportional to 11,246,572.70, 16,869,859.05 and 10,696,070.30 is: 16,044,105.45
Step by Step Solution
- Step 1: Write the proportion equation
11,246,572.70 : 16,869,859.05 = 10,696,070.30 : x - Step 2: Convert to fraction form
11,246,572.70/16,869,859.05 = 10,696,070.30/x - Step 3: Cross multiply
11,246,572.70x = 16,869,859.05 × 10,696,070.30 - Step 4: Simplify right side
11,246,572.70x = 180,441,198,349,891.25 - Step 5: Solve for x
x = 180,441,198,349,891.25/11,246,572.70 - Step 6: Final answer
x = 16,044,105.45
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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.