Finding the Fourth Proportional to 15,733,003.76, 21,711,770.12 and 9,028,428.99
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Solution
The fourth proportional to 15,733,003.76, 21,711,770.12 and 9,028,428.99 is: 12,459,361.08
Step by Step Solution
- Step 1: Write the proportion equation
15,733,003.76 : 21,711,770.12 = 9,028,428.99 : x - Step 2: Convert to fraction form
15,733,003.76/21,711,770.12 = 9,028,428.99/x - Step 3: Cross multiply
15,733,003.76x = 21,711,770.12 × 9,028,428.99 - Step 4: Simplify right side
15,733,003.76x = 196,023,174,725,912.97 - Step 5: Solve for x
x = 196,023,174,725,912.97/15,733,003.76 - Step 6: Final answer
x = 12,459,361.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.