Finding the Fourth Proportional to 14,785,048.44, 20,403,437.88 and 8,258,952.96
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Solution
The fourth proportional to 14,785,048.44, 20,403,437.88 and 8,258,952.96 is: 11,397,394.76
Step by Step Solution
- Step 1: Write the proportion equation
14,785,048.44 : 20,403,437.88 = 8,258,952.96 : x - Step 2: Convert to fraction form
14,785,048.44/20,403,437.88 = 8,258,952.96/x - Step 3: Cross multiply
14,785,048.44x = 20,403,437.88 × 8,258,952.96 - Step 4: Simplify right side
14,785,048.44x = 168,511,033,673,202.12 - Step 5: Solve for x
x = 168,511,033,673,202.12/14,785,048.44 - Step 6: Final answer
x = 11,397,394.76
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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.