Finding the Fourth Proportional to 38,563,964.58, 57,845,276.87 and 15,534,310.36
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Solution
The fourth proportional to 38,563,964.58, 57,845,276.87 and 15,534,310.36 is: 23,301,195.65
Step by Step Solution
- Step 1: Write the proportion equation
38,563,964.58 : 57,845,276.87 = 15,534,310.36 : x - Step 2: Convert to fraction form
38,563,964.58/57,845,276.87 = 15,534,310.36/x - Step 3: Cross multiply
38,563,964.58x = 57,845,276.87 × 15,534,310.36 - Step 4: Simplify right side
38,563,964.58x = 898,586,483,732,265 - Step 5: Solve for x
x = 898,586,483,732,265/38,563,964.58 - Step 6: Final answer
x = 23,301,195.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.