Finding the Fourth Proportional to 9,609,383.92, 13,260,950.84 and 5,258,471.12
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Solution
The fourth proportional to 9,609,383.92, 13,260,950.84 and 5,258,471.12 is: 7,256,690.71
Step by Step Solution
- Step 1: Write the proportion equation
9,609,383.92 : 13,260,950.84 = 5,258,471.12 : x - Step 2: Convert to fraction form
9,609,383.92/13,260,950.84 = 5,258,471.12/x - Step 3: Cross multiply
9,609,383.92x = 13,260,950.84 × 5,258,471.12 - Step 4: Simplify right side
9,609,383.92x = 69,732,327,015,879.74 - Step 5: Solve for x
x = 69,732,327,015,879.74/9,609,383.92 - Step 6: Final answer
x = 7,256,690.71
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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.