Finding the Fourth Proportional to 10,432,862.70, 15,649,294.05 and 4,764,158.70
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Solution
The fourth proportional to 10,432,862.70, 15,649,294.05 and 4,764,158.70 is: 7,146,238.05
Step by Step Solution
- Step 1: Write the proportion equation
10,432,862.70 : 15,649,294.05 = 4,764,158.70 : x - Step 2: Convert to fraction form
10,432,862.70/15,649,294.05 = 4,764,158.70/x - Step 3: Cross multiply
10,432,862.70x = 15,649,294.05 × 4,764,158.70 - Step 4: Simplify right side
10,432,862.70x = 74,555,720,397,165.73 - Step 5: Solve for x
x = 74,555,720,397,165.73/10,432,862.70 - Step 6: Final answer
x = 7,146,238.05
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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.