Finding the Fourth Proportional to 34,563,609.61, 47,699,230.31 and 19,879,279.99
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Solution
The fourth proportional to 34,563,609.61, 47,699,230.31 and 19,879,279.99 is: 27,434,239.81
Step by Step Solution
- Step 1: Write the proportion equation
34,563,609.61 : 47,699,230.31 = 19,879,279.99 : x - Step 2: Convert to fraction form
34,563,609.61/47,699,230.31 = 19,879,279.99/x - Step 3: Cross multiply
34,563,609.61x = 47,699,230.31 × 19,879,279.99 - Step 4: Simplify right side
34,563,609.61x = 948,226,354,639,984.50 - Step 5: Solve for x
x = 948,226,354,639,984.50/34,563,609.61 - Step 6: Final answer
x = 27,434,239.81
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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.