Finding the Fourth Proportional to 11,492,914.18, 15,860,936.28 and 6,336,267.88
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Solution
The fourth proportional to 11,492,914.18, 15,860,936.28 and 6,336,267.88 is: 8,744,443.71
Step by Step Solution
- Step 1: Write the proportion equation
11,492,914.18 : 15,860,936.28 = 6,336,267.88 : x - Step 2: Convert to fraction form
11,492,914.18/15,860,936.28 = 6,336,267.88/x - Step 3: Cross multiply
11,492,914.18x = 15,860,936.28 × 6,336,267.88 - Step 4: Simplify right side
11,492,914.18x = 100,499,141,097,690.69 - Step 5: Solve for x
x = 100,499,141,097,690.69/11,492,914.18 - Step 6: Final answer
x = 8,744,443.71
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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.