Finding the Fourth Proportional to 12,390,778.44, 18,583,361.01 and 4,711,685.63
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Solution
The fourth proportional to 12,390,778.44, 18,583,361.01 and 4,711,685.63 is: 7,066,461.19
Step by Step Solution
- Step 1: Write the proportion equation
12,390,778.44 : 18,583,361.01 = 4,711,685.63 : x - Step 2: Convert to fraction form
12,390,778.44/18,583,361.01 = 4,711,685.63/x - Step 3: Cross multiply
12,390,778.44x = 18,583,361.01 × 4,711,685.63 - Step 4: Simplify right side
12,390,778.44x = 87,558,954,935,002.48 - Step 5: Solve for x
x = 87,558,954,935,002.48/12,390,778.44 - Step 6: Final answer
x = 7,066,461.19
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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.