Finding the Fourth Proportional to 7,856,604.54, 11,785,404.96 and 2,465,467.68
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Solution
The fourth proportional to 7,856,604.54, 11,785,404.96 and 2,465,467.68 is: 3,698,357.84
Step by Step Solution
- Step 1: Write the proportion equation
7,856,604.54 : 11,785,404.96 = 2,465,467.68 : x - Step 2: Convert to fraction form
7,856,604.54/11,785,404.96 = 2,465,467.68/x - Step 3: Cross multiply
7,856,604.54x = 11,785,404.96 × 2,465,467.68 - Step 4: Simplify right side
7,856,604.54x = 29,056,535,024,591.70 - Step 5: Solve for x
x = 29,056,535,024,591.70/7,856,604.54 - Step 6: Final answer
x = 3,698,357.84
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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.