Finding the Fourth Proportional to 7,645,008.70, 10,550,108.87 and 4,207,249.70
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Solution
The fourth proportional to 7,645,008.70, 10,550,108.87 and 4,207,249.70 is: 5,806,002.86
Step by Step Solution
- Step 1: Write the proportion equation
7,645,008.70 : 10,550,108.87 = 4,207,249.70 : x - Step 2: Convert to fraction form
7,645,008.70/10,550,108.87 = 4,207,249.70/x - Step 3: Cross multiply
7,645,008.70x = 10,550,108.87 × 4,207,249.70 - Step 4: Simplify right side
7,645,008.70x = 44,386,942,383,493.93 - Step 5: Solve for x
x = 44,386,942,383,493.93/7,645,008.70 - Step 6: Final answer
x = 5,806,002.86
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1.5x scale
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.