Finding the Fourth Proportional to 15,116,303.88, 22,687,557.84 and 7,932,912.84
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Solution
The fourth proportional to 15,116,303.88, 22,687,557.84 and 7,932,912.84 is: 11,906,245.09
Step by Step Solution
- Step 1: Write the proportion equation
15,116,303.88 : 22,687,557.84 = 7,932,912.84 : x - Step 2: Convert to fraction form
15,116,303.88/22,687,557.84 = 7,932,912.84/x - Step 3: Cross multiply
15,116,303.88x = 22,687,557.84 × 7,932,912.84 - Step 4: Simplify right side
15,116,303.88x = 179,978,418,897,178.66 - Step 5: Solve for x
x = 179,978,418,897,178.66/15,116,303.88 - Step 6: Final answer
x = 11,906,245.09
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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.