Finding the Fourth Proportional to 34,889,971.84, 48,148,163.34 and 19,419,724.36
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Solution
The fourth proportional to 34,889,971.84, 48,148,163.34 and 19,419,724.36 is: 26,799,220.84
Step by Step Solution
- Step 1: Write the proportion equation
34,889,971.84 : 48,148,163.34 = 19,419,724.36 : x - Step 2: Convert to fraction form
34,889,971.84/48,148,163.34 = 19,419,724.36/x - Step 3: Cross multiply
34,889,971.84x = 48,148,163.34 × 19,419,724.36 - Step 4: Simplify right side
34,889,971.84x = 935,024,060,503,057 - Step 5: Solve for x
x = 935,024,060,503,057/34,889,971.84 - Step 6: Final answer
x = 26,799,220.84
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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.