Finding the Fourth Proportional to 34,065,869.92, 47,010,293.38 and 19,381,220.08
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Solution
The fourth proportional to 34,065,869.92, 47,010,293.38 and 19,381,220.08 is: 26,745,738.31
Step by Step Solution
- Step 1: Write the proportion equation
34,065,869.92 : 47,010,293.38 = 19,381,220.08 : x - Step 2: Convert to fraction form
34,065,869.92/47,010,293.38 = 19,381,220.08/x - Step 3: Cross multiply
34,065,869.92x = 47,010,293.38 × 19,381,220.08 - Step 4: Simplify right side
34,065,869.92x = 911,116,842,023,147 - Step 5: Solve for x
x = 911,116,842,023,147/34,065,869.92 - Step 6: Final answer
x = 26,745,738.31
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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.