Finding the Fourth Proportional to 34,889,965.84, 48,148,155.03 and 19,419,718.33
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Solution
The fourth proportional to 34,889,965.84, 48,148,155.03 and 19,419,718.33 is: 26,799,212.50
Step by Step Solution
- Step 1: Write the proportion equation
34,889,965.84 : 48,148,155.03 = 19,419,718.33 : x - Step 2: Convert to fraction form
34,889,965.84/48,148,155.03 = 19,419,718.33/x - Step 3: Cross multiply
34,889,965.84x = 48,148,155.03 × 19,419,718.33 - Step 4: Simplify right side
34,889,965.84x = 935,023,608,791,772.62 - Step 5: Solve for x
x = 935,023,608,791,772.62/34,889,965.84 - Step 6: Final answer
x = 26,799,212.50
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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.