Finding the Fourth Proportional to 19,871,380.02, 27,418,480.62 and 11,609,845.40
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Solution
The fourth proportional to 19,871,380.02, 27,418,480.62 and 11,609,845.40 is: 16,019,235.74
Step by Step Solution
- Step 1: Write the proportion equation
19,871,380.02 : 27,418,480.62 = 11,609,845.40 : x - Step 2: Convert to fraction form
19,871,380.02/27,418,480.62 = 11,609,845.40/x - Step 3: Cross multiply
19,871,380.02x = 27,418,480.62 × 11,609,845.40 - Step 4: Simplify right side
19,871,380.02x = 318,324,321,101,096.19 - Step 5: Solve for x
x = 318,324,321,101,096.19/19,871,380.02 - Step 6: Final answer
x = 16,019,235.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.