Finding the Fourth Proportional to 12,259,890.46, 18,390,353.28 and 3,624,010.66
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Solution
The fourth proportional to 12,259,890.46, 18,390,353.28 and 3,624,010.66 is: 5,436,168.99
Step by Step Solution
- Step 1: Write the proportion equation
12,259,890.46 : 18,390,353.28 = 3,624,010.66 : x - Step 2: Convert to fraction form
12,259,890.46/18,390,353.28 = 3,624,010.66/x - Step 3: Cross multiply
12,259,890.46x = 18,390,353.28 × 3,624,010.66 - Step 4: Simplify right side
12,259,890.46x = 66,646,836,327,885.97 - Step 5: Solve for x
x = 66,646,836,327,885.97/12,259,890.46 - Step 6: Final answer
x = 5,436,168.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.