Finding the Fourth Proportional to 7,533,546.81, 10,398,507.13 and 4,920,450.38
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Solution
The fourth proportional to 7,533,546.81, 10,398,507.13 and 4,920,450.38 is: 6,791,666.61
Step by Step Solution
- Step 1: Write the proportion equation
7,533,546.81 : 10,398,507.13 = 4,920,450.38 : x - Step 2: Convert to fraction form
7,533,546.81/10,398,507.13 = 4,920,450.38/x - Step 3: Cross multiply
7,533,546.81x = 10,398,507.13 × 4,920,450.38 - Step 4: Simplify right side
7,533,546.81x = 51,165,338,359,241.21 - Step 5: Solve for x
x = 51,165,338,359,241.21/7,533,546.81 - Step 6: Final answer
x = 6,791,666.61
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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.