Finding the Fourth Proportional to 7,021,285.62, 10,532,293.11 and 2,229,350.10
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Solution
The fourth proportional to 7,021,285.62, 10,532,293.11 and 2,229,350.10 is: 3,344,140.94
Step by Step Solution
- Step 1: Write the proportion equation
7,021,285.62 : 10,532,293.11 = 2,229,350.10 : x - Step 2: Convert to fraction form
7,021,285.62/10,532,293.11 = 2,229,350.10/x - Step 3: Cross multiply
7,021,285.62x = 10,532,293.11 × 2,229,350.10 - Step 4: Simplify right side
7,021,285.62x = 23,480,168,698,007.81 - Step 5: Solve for x
x = 23,480,168,698,007.81/7,021,285.62 - Step 6: Final answer
x = 3,344,140.94
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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.