Finding the Fourth Proportional to 7,856,679.96, 11,785,518.20 and 2,465,542.96
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Solution
The fourth proportional to 7,856,679.96, 11,785,518.20 and 2,465,542.96 is: 3,698,470.80
Step by Step Solution
- Step 1: Write the proportion equation
7,856,679.96 : 11,785,518.20 = 2,465,542.96 : x - Step 2: Convert to fraction form
7,856,679.96/11,785,518.20 = 2,465,542.96/x - Step 3: Cross multiply
7,856,679.96x = 11,785,518.20 × 2,465,542.96 - Step 4: Simplify right side
7,856,679.96x = 29,057,701,427,961.87 - Step 5: Solve for x
x = 29,057,701,427,961.87/7,856,679.96 - Step 6: Final answer
x = 3,698,470.80
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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.