Finding the Fourth Proportional to 14,244,310.13, 19,657,120.50 and 7,718,116.23
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Solution
The fourth proportional to 14,244,310.13, 19,657,120.50 and 7,718,116.23 is: 10,650,985.51
Step by Step Solution
- Step 1: Write the proportion equation
14,244,310.13 : 19,657,120.50 = 7,718,116.23 : x - Step 2: Convert to fraction form
14,244,310.13/19,657,120.50 = 7,718,116.23/x - Step 3: Cross multiply
14,244,310.13x = 19,657,120.50 × 7,718,116.23 - Step 4: Simplify right side
14,244,310.13x = 151,715,940,766,115.72 - Step 5: Solve for x
x = 151,715,940,766,115.72/14,244,310.13 - Step 6: Final answer
x = 10,650,985.51
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1.5x scale
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.