Finding the Fourth Proportional to 10,168,812.30, 15,253,213.58 and 2,595,775.62
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Solution
The fourth proportional to 10,168,812.30, 15,253,213.58 and 2,595,775.62 is: 3,893,662.19
Step by Step Solution
- Step 1: Write the proportion equation
10,168,812.30 : 15,253,213.58 = 2,595,775.62 : x - Step 2: Convert to fraction form
10,168,812.30/15,253,213.58 = 2,595,775.62/x - Step 3: Cross multiply
10,168,812.30x = 15,253,213.58 × 2,595,775.62 - Step 4: Simplify right side
10,168,812.30x = 39,593,919,937,616.92 - Step 5: Solve for x
x = 39,593,919,937,616.92/10,168,812.30 - Step 6: Final answer
x = 3,893,662.19
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1.5x scale
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.