Finding the Fourth Proportional to 16,658,879.40, 24,969,656.70 and 9,473,855.40
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Solution
The fourth proportional to 16,658,879.40, 24,969,656.70 and 9,473,855.40 is: 14,200,169.85
Step by Step Solution
- Step 1: Write the proportion equation
16,658,879.40 : 24,969,656.70 = 9,473,855.40 : x - Step 2: Convert to fraction form
16,658,879.40/24,969,656.70 = 9,473,855.40/x - Step 3: Cross multiply
16,658,879.40x = 24,969,656.70 × 9,473,855.40 - Step 4: Simplify right side
16,658,879.40x = 236,558,916,963,441.19 - Step 5: Solve for x
x = 236,558,916,963,441.19/16,658,879.40 - Step 6: Final answer
x = 14,200,169.85
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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.