Finding the Fourth Proportional to 10,666,880.92, 14,720,334.68 and 5,772,103.06
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Solution
The fourth proportional to 10,666,880.92, 14,720,334.68 and 5,772,103.06 is: 7,965,523.33
Step by Step Solution
- Step 1: Write the proportion equation
10,666,880.92 : 14,720,334.68 = 5,772,103.06 : x - Step 2: Convert to fraction form
10,666,880.92/14,720,334.68 = 5,772,103.06/x - Step 3: Cross multiply
10,666,880.92x = 14,720,334.68 × 5,772,103.06 - Step 4: Simplify right side
10,666,880.92x = 84,967,288,850,652.11 - Step 5: Solve for x
x = 84,967,288,850,652.11/10,666,880.92 - Step 6: Final answer
x = 7,965,523.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.