Finding the Fourth Proportional to 7,368,338.13, 10,168,068.25 and 4,229,118.55
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Solution
The fourth proportional to 7,368,338.13, 10,168,068.25 and 4,229,118.55 is: 5,836,046.78
Step by Step Solution
- Step 1: Write the proportion equation
7,368,338.13 : 10,168,068.25 = 4,229,118.55 : x - Step 2: Convert to fraction form
7,368,338.13/10,168,068.25 = 4,229,118.55/x - Step 3: Cross multiply
7,368,338.13x = 10,168,068.25 × 4,229,118.55 - Step 4: Simplify right side
7,368,338.13x = 43,001,966,017,748.08 - Step 5: Solve for x
x = 43,001,966,017,748.08/7,368,338.13 - Step 6: Final answer
x = 5,836,046.78
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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.