Finding the Fourth Proportional to 38,720,112.80, 58,080,169.20 and 32,673,495.20
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Solution
The fourth proportional to 38,720,112.80, 58,080,169.20 and 32,673,495.20 is: 49,010,242.80
Step by Step Solution
- Step 1: Write the proportion equation
38,720,112.80 : 58,080,169.20 = 32,673,495.20 : x - Step 2: Convert to fraction form
38,720,112.80/58,080,169.20 = 32,673,495.20/x - Step 3: Cross multiply
38,720,112.80x = 58,080,169.20 × 32,673,495.20 - Step 4: Simplify right side
38,720,112.80x = 1,897,682,129,571,388 - Step 5: Solve for x
x = 1,897,682,129,571,388/38,720,112.80 - Step 6: Final answer
x = 49,010,242.80
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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.