Finding the Fourth Proportional to 7,534,341.70, 11,301,512.43 and 2,215,557.70
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Solution
The fourth proportional to 7,534,341.70, 11,301,512.43 and 2,215,557.70 is: 3,323,336.51
Step by Step Solution
- Step 1: Write the proportion equation
7,534,341.70 : 11,301,512.43 = 2,215,557.70 : x - Step 2: Convert to fraction form
7,534,341.70/11,301,512.43 = 2,215,557.70/x - Step 3: Cross multiply
7,534,341.70x = 11,301,512.43 × 2,215,557.70 - Step 4: Simplify right side
7,534,341.70x = 25,039,152,885,932.21 - Step 5: Solve for x
x = 25,039,152,885,932.21/7,534,341.70 - Step 6: Final answer
x = 3,323,336.51
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1.5x scale
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.