Finding the Fourth Proportional to 32,043,116.40, 48,101,999.40 and 19,278,034.80
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Solution
The fourth proportional to 32,043,116.40, 48,101,999.40 and 19,278,034.80 is: 28,939,507.84
Step by Step Solution
- Step 1: Write the proportion equation
32,043,116.40 : 48,101,999.40 = 19,278,034.80 : x - Step 2: Convert to fraction form
32,043,116.40/48,101,999.40 = 19,278,034.80/x - Step 3: Cross multiply
32,043,116.40x = 48,101,999.40 × 19,278,034.80 - Step 4: Simplify right side
32,043,116.40x = 927,312,018,382,779.12 - Step 5: Solve for x
x = 927,312,018,382,779.12/32,043,116.40 - Step 6: Final answer
x = 28,939,507.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.