Finding the Fourth Proportional to 8,089,866.70, 12,134,387.21 and 2,971,903.97
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Solution
The fourth proportional to 8,089,866.70, 12,134,387.21 and 2,971,903.97 is: 4,457,704.30
Step by Step Solution
- Step 1: Write the proportion equation
8,089,866.70 : 12,134,387.21 = 2,971,903.97 : x - Step 2: Convert to fraction form
8,089,866.70/12,134,387.21 = 2,971,903.97/x - Step 3: Cross multiply
8,089,866.70x = 12,134,387.21 × 2,971,903.97 - Step 4: Simplify right side
8,089,866.70x = 36,062,233,538,392.67 - Step 5: Solve for x
x = 36,062,233,538,392.67/8,089,866.70 - Step 6: Final answer
x = 4,457,704.30
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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.