Finding the Fourth Proportional to 7,242,014.70, 10,863,022.05 and 2,193,325.20
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Solution
The fourth proportional to 7,242,014.70, 10,863,022.05 and 2,193,325.20 is: 3,289,987.80
Step by Step Solution
- Step 1: Write the proportion equation
7,242,014.70 : 10,863,022.05 = 2,193,325.20 : x - Step 2: Convert to fraction form
7,242,014.70/10,863,022.05 = 2,193,325.20/x - Step 3: Cross multiply
7,242,014.70x = 10,863,022.05 × 2,193,325.20 - Step 4: Simplify right side
7,242,014.70x = 23,826,140,010,420.66 - Step 5: Solve for x
x = 23,826,140,010,420.66/7,242,014.70 - Step 6: Final answer
x = 3,289,987.80
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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.