Finding the Fourth Proportional to 32,258,459.20, 48,387,688.80 and 16,134,145.60
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Solution
The fourth proportional to 32,258,459.20, 48,387,688.80 and 16,134,145.60 is: 24,201,218.40
Step by Step Solution
- Step 1: Write the proportion equation
32,258,459.20 : 48,387,688.80 = 16,134,145.60 : x - Step 2: Convert to fraction form
32,258,459.20/48,387,688.80 = 16,134,145.60/x - Step 3: Cross multiply
32,258,459.20x = 48,387,688.80 × 16,134,145.60 - Step 4: Simplify right side
32,258,459.20x = 780,694,016,346,689.25 - Step 5: Solve for x
x = 780,694,016,346,689.25/32,258,459.20 - Step 6: Final answer
x = 24,201,218.40
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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.