Finding the Fourth Proportional to 39,036,339.36, 53,869,490.64 and 21,632,649.12
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Solution
The fourth proportional to 39,036,339.36, 53,869,490.64 and 21,632,649.12 is: 29,852,691.32
Step by Step Solution
- Step 1: Write the proportion equation
39,036,339.36 : 53,869,490.64 = 21,632,649.12 : x - Step 2: Convert to fraction form
39,036,339.36/53,869,490.64 = 21,632,649.12/x - Step 3: Cross multiply
39,036,339.36x = 53,869,490.64 × 21,632,649.12 - Step 4: Simplify right side
39,036,339.36x = 1,165,339,789,288,244.25 - Step 5: Solve for x
x = 1,165,339,789,288,244.25/39,036,339.36 - Step 6: Final answer
x = 29,852,691.32
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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.