Finding the Fourth Proportional to 21,375,767.40, 32,083,695.90 and 11,285,629.80
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Solution
The fourth proportional to 21,375,767.40, 32,083,695.90 and 11,285,629.80 is: 16,939,027.63
Step by Step Solution
- Step 1: Write the proportion equation
21,375,767.40 : 32,083,695.90 = 11,285,629.80 : x - Step 2: Convert to fraction form
21,375,767.40/32,083,695.90 = 11,285,629.80/x - Step 3: Cross multiply
21,375,767.40x = 32,083,695.90 × 11,285,629.80 - Step 4: Simplify right side
21,375,767.40x = 362,084,714,543,177.81 - Step 5: Solve for x
x = 362,084,714,543,177.81/21,375,767.40 - Step 6: Final answer
x = 16,939,027.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.