Finding the Fourth Proportional to 11,423,853.39, 17,135,149.34 and 8,352,991.12
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Solution
The fourth proportional to 11,423,853.39, 17,135,149.34 and 8,352,991.12 is: 12,529,025.49
Step by Step Solution
- Step 1: Write the proportion equation
11,423,853.39 : 17,135,149.34 = 8,352,991.12 : x - Step 2: Convert to fraction form
11,423,853.39/17,135,149.34 = 8,352,991.12/x - Step 3: Cross multiply
11,423,853.39x = 17,135,149.34 × 8,352,991.12 - Step 4: Simplify right side
11,423,853.39x = 143,129,750,276,893.88 - Step 5: Solve for x
x = 143,129,750,276,893.88/11,423,853.39 - Step 6: Final answer
x = 12,529,025.49
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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.