Finding the Fourth Proportional to 10,851,694.90, 16,277,542.35 and 8,340,027.70
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Solution
The fourth proportional to 10,851,694.90, 16,277,542.35 and 8,340,027.70 is: 12,510,041.55
Step by Step Solution
- Step 1: Write the proportion equation
10,851,694.90 : 16,277,542.35 = 8,340,027.70 : x - Step 2: Convert to fraction form
10,851,694.90/16,277,542.35 = 8,340,027.70/x - Step 3: Cross multiply
10,851,694.90x = 16,277,542.35 × 8,340,027.70 - Step 4: Simplify right side
10,851,694.90x = 135,755,154,086,923.09 - Step 5: Solve for x
x = 135,755,154,086,923.09/10,851,694.90 - Step 6: Final answer
x = 12,510,041.55
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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.