Finding the Fourth Proportional to 10,745,825.20, 16,118,737.80 and 10,115,450.80
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Solution
The fourth proportional to 10,745,825.20, 16,118,737.80 and 10,115,450.80 is: 15,173,176.20
Step by Step Solution
- Step 1: Write the proportion equation
10,745,825.20 : 16,118,737.80 = 10,115,450.80 : x - Step 2: Convert to fraction form
10,745,825.20/16,118,737.80 = 10,115,450.80/x - Step 3: Cross multiply
10,745,825.20x = 16,118,737.80 × 10,115,450.80 - Step 4: Simplify right side
10,745,825.20x = 163,048,299,174,000.25 - Step 5: Solve for x
x = 163,048,299,174,000.25/10,745,825.20 - Step 6: Final answer
x = 15,173,176.20
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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.