Finding the Fourth Proportional to 11,498,512.40, 17,247,768.60 and 9,788,715.80
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Solution
The fourth proportional to 11,498,512.40, 17,247,768.60 and 9,788,715.80 is: 14,683,073.70
Step by Step Solution
- Step 1: Write the proportion equation
11,498,512.40 : 17,247,768.60 = 9,788,715.80 : x - Step 2: Convert to fraction form
11,498,512.40/17,247,768.60 = 9,788,715.80/x - Step 3: Cross multiply
11,498,512.40x = 17,247,768.60 × 9,788,715.80 - Step 4: Simplify right side
11,498,512.40x = 168,833,505,009,563.91 - Step 5: Solve for x
x = 168,833,505,009,563.91/11,498,512.40 - Step 6: Final answer
x = 14,683,073.70
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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.