Finding the Fourth Proportional to 38,457,007.68, 53,106,644.16 and 24,729,821.76
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Solution
The fourth proportional to 38,457,007.68, 53,106,644.16 and 24,729,821.76 is: 34,150,286.87
Step by Step Solution
- Step 1: Write the proportion equation
38,457,007.68 : 53,106,644.16 = 24,729,821.76 : x - Step 2: Convert to fraction form
38,457,007.68/53,106,644.16 = 24,729,821.76/x - Step 3: Cross multiply
38,457,007.68x = 53,106,644.16 × 24,729,821.76 - Step 4: Simplify right side
38,457,007.68x = 1,313,317,844,348,545 - Step 5: Solve for x
x = 1,313,317,844,348,545/38,457,007.68 - Step 6: Final answer
x = 34,150,286.87
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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.