Finding the Fourth Proportional to 10,508,944.65, 15,763,885.96 and 3,221,880.09
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Solution
The fourth proportional to 10,508,944.65, 15,763,885.96 and 3,221,880.09 is: 4,832,963.92
Step by Step Solution
- Step 1: Write the proportion equation
10,508,944.65 : 15,763,885.96 = 3,221,880.09 : x - Step 2: Convert to fraction form
10,508,944.65/15,763,885.96 = 3,221,880.09/x - Step 3: Cross multiply
10,508,944.65x = 15,763,885.96 × 3,221,880.09 - Step 4: Simplify right side
10,508,944.65x = 50,789,350,315,554.54 - Step 5: Solve for x
x = 50,789,350,315,554.54/10,508,944.65 - Step 6: Final answer
x = 4,832,963.92
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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.