Finding the Fourth Proportional to 7,247,562.30, 10,871,343.45 and 4,858,775.10
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Solution
The fourth proportional to 7,247,562.30, 10,871,343.45 and 4,858,775.10 is: 7,288,162.65
Step by Step Solution
- Step 1: Write the proportion equation
7,247,562.30 : 10,871,343.45 = 4,858,775.10 : x - Step 2: Convert to fraction form
7,247,562.30/10,871,343.45 = 4,858,775.10/x - Step 3: Cross multiply
7,247,562.30x = 10,871,343.45 × 4,858,775.10 - Step 4: Simplify right side
7,247,562.30x = 52,821,412,858,408.09 - Step 5: Solve for x
x = 52,821,412,858,408.09/7,247,562.30 - Step 6: Final answer
x = 7,288,162.65
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Double scale
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Similar ratio
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1.5x scale
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.