Finding the Fourth Proportional to 32,572,176.40, 48,854,765.40 and 8,637,648.40
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Solution
The fourth proportional to 32,572,176.40, 48,854,765.40 and 8,637,648.40 is: 12,955,544.67
Step by Step Solution
- Step 1: Write the proportion equation
32,572,176.40 : 48,854,765.40 = 8,637,648.40 : x - Step 2: Convert to fraction form
32,572,176.40/48,854,765.40 = 8,637,648.40/x - Step 3: Cross multiply
32,572,176.40x = 48,854,765.40 × 8,637,648.40 - Step 4: Simplify right side
32,572,176.40x = 421,990,286,189,685.38 - Step 5: Solve for x
x = 421,990,286,189,685.38/32,572,176.40 - Step 6: Final answer
x = 12,955,544.67
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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.