Finding the Fourth Proportional to 14,264,982.56, 19,685,675.90 and 8,153,542.28
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Solution
The fourth proportional to 14,264,982.56, 19,685,675.90 and 8,153,542.28 is: 11,251,888.33
Step by Step Solution
- Step 1: Write the proportion equation
14,264,982.56 : 19,685,675.90 = 8,153,542.28 : x - Step 2: Convert to fraction form
14,264,982.56/19,685,675.90 = 8,153,542.28/x - Step 3: Cross multiply
14,264,982.56x = 19,685,675.90 × 8,153,542.28 - Step 4: Simplify right side
14,264,982.56x = 160,507,990,761,027.03 - Step 5: Solve for x
x = 160,507,990,761,027.03/14,264,982.56 - Step 6: Final answer
x = 11,251,888.33
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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.