Finding the Fourth Proportional to 71,523,009.80, 107,284,514.70 and 17,670,321.80
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Solution
The fourth proportional to 71,523,009.80, 107,284,514.70 and 17,670,321.80 is: 26,505,482.70
Step by Step Solution
- Step 1: Write the proportion equation
71,523,009.80 : 107,284,514.70 = 17,670,321.80 : x - Step 2: Convert to fraction form
71,523,009.80/107,284,514.70 = 17,670,321.80/x - Step 3: Cross multiply
71,523,009.80x = 107,284,514.70 × 17,670,321.80 - Step 4: Simplify right side
71,523,009.80x = 1,895,751,898,905,830.50 - Step 5: Solve for x
x = 1,895,751,898,905,830.50/71,523,009.80 - Step 6: Final answer
x = 26,505,482.70
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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.