Finding the Fourth Proportional to 38,563,965.58, 57,845,278.37 and 15,534,311.36
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Solution
The fourth proportional to 38,563,965.58, 57,845,278.37 and 15,534,311.36 is: 23,301,197.15
Step by Step Solution
- Step 1: Write the proportion equation
38,563,965.58 : 57,845,278.37 = 15,534,311.36 : x - Step 2: Convert to fraction form
38,563,965.58/57,845,278.37 = 15,534,311.36/x - Step 3: Cross multiply
38,563,965.58x = 57,845,278.37 × 15,534,311.36 - Step 4: Simplify right side
38,563,965.58x = 898,586,564,905,453.25 - Step 5: Solve for x
x = 898,586,564,905,453.25/38,563,965.58 - Step 6: Final answer
x = 23,301,197.15
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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.