Finding the Fourth Proportional to 14,128,356.88, 19,499,819.88 and 8,017,354
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Solution
The fourth proportional to 14,128,356.88, 19,499,819.88 and 8,017,354 is: 11,065,473.52
Step by Step Solution
- Step 1: Write the proportion equation
14,128,356.88 : 19,499,819.88 = 8,017,354 : x - Step 2: Convert to fraction form
14,128,356.88/19,499,819.88 = 8,017,354/x - Step 3: Cross multiply
14,128,356.88x = 19,499,819.88 × 8,017,354 - Step 4: Simplify right side
14,128,356.88x = 156,336,958,914,197.50 - Step 5: Solve for x
x = 156,336,958,914,197.50/14,128,356.88 - Step 6: Final answer
x = 11,065,473.52
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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.