Finding the Fourth Proportional to 32,385,514.80, 48,554,652.60 and 13,206,399.60
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Solution
The fourth proportional to 32,385,514.80, 48,554,652.60 and 13,206,399.60 is: 19,799,967.63
Step by Step Solution
- Step 1: Write the proportion equation
32,385,514.80 : 48,554,652.60 = 13,206,399.60 : x - Step 2: Convert to fraction form
32,385,514.80/48,554,652.60 = 13,206,399.60/x - Step 3: Cross multiply
32,385,514.80x = 48,554,652.60 × 13,206,399.60 - Step 4: Simplify right side
32,385,514.80x = 641,232,144,674,779 - Step 5: Solve for x
x = 641,232,144,674,779/32,385,514.80 - Step 6: Final answer
x = 19,799,967.63
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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.