Finding the Fourth Proportional to 7,883,899.24, 10,879,679.28 and 4,447,247.44
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Solution
The fourth proportional to 7,883,899.24, 10,879,679.28 and 4,447,247.44 is: 6,137,144.12
Step by Step Solution
- Step 1: Write the proportion equation
7,883,899.24 : 10,879,679.28 = 4,447,247.44 : x - Step 2: Convert to fraction form
7,883,899.24/10,879,679.28 = 4,447,247.44/x - Step 3: Cross multiply
7,883,899.24x = 10,879,679.28 × 4,447,247.44 - Step 4: Simplify right side
7,883,899.24x = 48,384,625,826,001.05 - Step 5: Solve for x
x = 48,384,625,826,001.05/7,883,899.24 - Step 6: Final answer
x = 6,137,144.12
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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.