Finding the Fourth Proportional to 10,430,302.38, 14,394,704.88 and 5,847,509.52
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Solution
The fourth proportional to 10,430,302.38, 14,394,704.88 and 5,847,509.52 is: 8,070,060.75
Step by Step Solution
- Step 1: Write the proportion equation
10,430,302.38 : 14,394,704.88 = 5,847,509.52 : x - Step 2: Convert to fraction form
10,430,302.38/14,394,704.88 = 5,847,509.52/x - Step 3: Cross multiply
10,430,302.38x = 14,394,704.88 × 5,847,509.52 - Step 4: Simplify right side
10,430,302.38x = 84,173,173,823,390.45 - Step 5: Solve for x
x = 84,173,173,823,390.45/10,430,302.38 - Step 6: Final answer
x = 8,070,060.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.