Finding the Fourth Proportional to 32,643,903.40, 48,923,864.70 and 19,850,828.20
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Solution
The fourth proportional to 32,643,903.40, 48,923,864.70 and 19,850,828.20 is: 29,750,707.85
Step by Step Solution
- Step 1: Write the proportion equation
32,643,903.40 : 48,923,864.70 = 19,850,828.20 : x - Step 2: Convert to fraction form
32,643,903.40/48,923,864.70 = 19,850,828.20/x - Step 3: Cross multiply
32,643,903.40x = 48,923,864.70 × 19,850,828.20 - Step 4: Simplify right side
32,643,903.40x = 971,179,233,039,744.62 - Step 5: Solve for x
x = 971,179,233,039,744.62/32,643,903.40 - Step 6: Final answer
x = 29,750,707.85
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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.