Finding the Fourth Proportional to 53,642,915.36, 74,028,805.71 and 37,989,944
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Solution
The fourth proportional to 53,642,915.36, 74,028,805.71 and 37,989,944 is: 52,427,243.46
Step by Step Solution
- Step 1: Write the proportion equation
53,642,915.36 : 74,028,805.71 = 37,989,944 : x - Step 2: Convert to fraction form
53,642,915.36/74,028,805.71 = 37,989,944/x - Step 3: Cross multiply
53,642,915.36x = 74,028,805.71 × 37,989,944 - Step 4: Simplify right side
53,642,915.36x = 2,812,350,183,309,780 - Step 5: Solve for x
x = 2,812,350,183,309,780/53,642,915.36 - Step 6: Final answer
x = 52,427,243.46
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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.