Finding the Fourth Proportional to 34,563,613.98, 47,699,236.36 and 19,879,284.36
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Solution
The fourth proportional to 34,563,613.98, 47,699,236.36 and 19,879,284.36 is: 27,434,245.85
Step by Step Solution
- Step 1: Write the proportion equation
34,563,613.98 : 47,699,236.36 = 19,879,284.36 : x - Step 2: Convert to fraction form
34,563,613.98/47,699,236.36 = 19,879,284.36/x - Step 3: Cross multiply
34,563,613.98x = 47,699,236.36 × 19,879,284.36 - Step 4: Simplify right side
34,563,613.98x = 948,226,683,355,291.25 - Step 5: Solve for x
x = 948,226,683,355,291.25/34,563,613.98 - Step 6: Final answer
x = 27,434,245.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.