Finding the Fourth Proportional to 6,312,750.16, 9,470,528.28 and 2,945,120.08
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Solution
The fourth proportional to 6,312,750.16, 9,470,528.28 and 2,945,120.08 is: 4,418,334.69
Step by Step Solution
- Step 1: Write the proportion equation
6,312,750.16 : 9,470,528.28 = 2,945,120.08 : x - Step 2: Convert to fraction form
6,312,750.16/9,470,528.28 = 2,945,120.08/x - Step 3: Cross multiply
6,312,750.16x = 9,470,528.28 × 2,945,120.08 - Step 4: Simplify right side
6,312,750.16x = 27,891,843,005,635.86 - Step 5: Solve for x
x = 27,891,843,005,635.86/6,312,750.16 - Step 6: Final answer
x = 4,418,334.69
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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.