Finding the Fourth Proportional to 8,518,208.64, 11,755,385.04 and 4,847,651.76
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Solution
The fourth proportional to 8,518,208.64, 11,755,385.04 and 4,847,651.76 is: 6,689,905.75
Step by Step Solution
- Step 1: Write the proportion equation
8,518,208.64 : 11,755,385.04 = 4,847,651.76 : x - Step 2: Convert to fraction form
8,518,208.64/11,755,385.04 = 4,847,651.76/x - Step 3: Cross multiply
8,518,208.64x = 11,755,385.04 × 4,847,651.76 - Step 4: Simplify right side
8,518,208.64x = 56,986,012,978,633.66 - Step 5: Solve for x
x = 56,986,012,978,633.66/8,518,208.64 - Step 6: Final answer
x = 6,689,905.75
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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.