Finding the Fourth Proportional to 10,750,232.40, 16,130,014.20 and 5,431,448.40
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Solution
The fourth proportional to 10,750,232.40, 16,130,014.20 and 5,431,448.40 is: 8,149,529.85
Step by Step Solution
- Step 1: Write the proportion equation
10,750,232.40 : 16,130,014.20 = 5,431,448.40 : x - Step 2: Convert to fraction form
10,750,232.40/16,130,014.20 = 5,431,448.40/x - Step 3: Cross multiply
10,750,232.40x = 16,130,014.20 × 5,431,448.40 - Step 4: Simplify right side
10,750,232.40x = 87,609,339,818,567.28 - Step 5: Solve for x
x = 87,609,339,818,567.28/10,750,232.40 - Step 6: Final answer
x = 8,149,529.85
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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.