Finding the Fourth Proportional to 16,465,431.21, 24,697,789.61 and 5,682,369.39
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Solution
The fourth proportional to 16,465,431.21, 24,697,789.61 and 5,682,369.39 is: 8,523,430.81
Step by Step Solution
- Step 1: Write the proportion equation
16,465,431.21 : 24,697,789.61 = 5,682,369.39 : x - Step 2: Convert to fraction form
16,465,431.21/24,697,789.61 = 5,682,369.39/x - Step 3: Cross multiply
16,465,431.21x = 24,697,789.61 × 5,682,369.39 - Step 4: Simplify right side
16,465,431.21x = 140,341,963,652,112.19 - Step 5: Solve for x
x = 140,341,963,652,112.19/16,465,431.21 - Step 6: Final answer
x = 8,523,430.81
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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.