Finding the Fourth Proportional to 19,479,361.06, 26,874,990.43 and 11,219,257.95
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Solution
The fourth proportional to 19,479,361.06, 26,874,990.43 and 11,219,257.95 is: 15,478,816.23
Step by Step Solution
- Step 1: Write the proportion equation
19,479,361.06 : 26,874,990.43 = 11,219,257.95 : x - Step 2: Convert to fraction form
19,479,361.06/26,874,990.43 = 11,219,257.95/x - Step 3: Cross multiply
19,479,361.06x = 26,874,990.43 × 11,219,257.95 - Step 4: Simplify right side
19,479,361.06x = 301,517,450,037,951.38 - Step 5: Solve for x
x = 301,517,450,037,951.38/19,479,361.06 - Step 6: Final answer
x = 15,478,816.23
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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.