Finding the Fourth Proportional to 8,089,868.21, 12,134,389.46 and 2,971,905.48
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Solution
The fourth proportional to 8,089,868.21, 12,134,389.46 and 2,971,905.48 is: 4,457,706.55
Step by Step Solution
- Step 1: Write the proportion equation
8,089,868.21 : 12,134,389.46 = 2,971,905.48 : x - Step 2: Convert to fraction form
8,089,868.21/12,134,389.46 = 2,971,905.48/x - Step 3: Cross multiply
8,089,868.21x = 12,134,389.46 × 2,971,905.48 - Step 4: Simplify right side
8,089,868.21x = 36,062,258,517,768.71 - Step 5: Solve for x
x = 36,062,258,517,768.71/8,089,868.21 - Step 6: Final answer
x = 4,457,706.55
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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.