Finding the Fourth Proportional to 8,805,323.70, 13,207,985.55 and 3,126,122.10
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Solution
The fourth proportional to 8,805,323.70, 13,207,985.55 and 3,126,122.10 is: 4,689,183.15
Step by Step Solution
- Step 1: Write the proportion equation
8,805,323.70 : 13,207,985.55 = 3,126,122.10 : x - Step 2: Convert to fraction form
8,805,323.70/13,207,985.55 = 3,126,122.10/x - Step 3: Cross multiply
8,805,323.70x = 13,207,985.55 × 3,126,122.10 - Step 4: Simplify right side
8,805,323.70x = 41,289,775,524,335.66 - Step 5: Solve for x
x = 41,289,775,524,335.66/8,805,323.70 - Step 6: Final answer
x = 4,689,183.15
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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.