Finding the Fourth Proportional to 53,642,913.36, 74,028,802.95 and 37,989,942
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Solution
The fourth proportional to 53,642,913.36, 74,028,802.95 and 37,989,942 is: 52,427,240.70
Step by Step Solution
- Step 1: Write the proportion equation
53,642,913.36 : 74,028,802.95 = 37,989,942 : x - Step 2: Convert to fraction form
53,642,913.36/74,028,802.95 = 37,989,942/x - Step 3: Cross multiply
53,642,913.36x = 74,028,802.95 × 37,989,942 - Step 4: Simplify right side
53,642,913.36x = 2,812,349,930,399,929 - Step 5: Solve for x
x = 2,812,349,930,399,929/53,642,913.36 - Step 6: Final answer
x = 52,427,240.70
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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.