Finding the Fourth Proportional to 11,240,540.64, 16,860,854.40 and 2,720,863.20
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Solution
The fourth proportional to 11,240,540.64, 16,860,854.40 and 2,720,863.20 is: 4,081,305.32
Step by Step Solution
- Step 1: Write the proportion equation
11,240,540.64 : 16,860,854.40 = 2,720,863.20 : x - Step 2: Convert to fraction form
11,240,540.64/16,860,854.40 = 2,720,863.20/x - Step 3: Cross multiply
11,240,540.64x = 16,860,854.40 × 2,720,863.20 - Step 4: Simplify right side
11,240,540.64x = 45,876,078,257,518.08 - Step 5: Solve for x
x = 45,876,078,257,518.08/11,240,540.64 - Step 6: Final answer
x = 4,081,305.32
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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.