Finding the Fourth Proportional to 7,642,285.91, 10,546,354.19 and 4,204,453.13
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Solution
The fourth proportional to 7,642,285.91, 10,546,354.19 and 4,204,453.13 is: 5,802,145.12
Step by Step Solution
- Step 1: Write the proportion equation
7,642,285.91 : 10,546,354.19 = 4,204,453.13 : x - Step 2: Convert to fraction form
7,642,285.91/10,546,354.19 = 4,204,453.13/x - Step 3: Cross multiply
7,642,285.91x = 10,546,354.19 × 4,204,453.13 - Step 4: Simplify right side
7,642,285.91x = 44,341,651,842,013.48 - Step 5: Solve for x
x = 44,341,651,842,013.48/7,642,285.91 - Step 6: Final answer
x = 5,802,145.12
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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.