Finding the Fourth Proportional to 32,806,470.76, 45,272,052.52 and 18,121,820.99
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Solution
The fourth proportional to 32,806,470.76, 45,272,052.52 and 18,121,820.99 is: 25,007,628.45
Step by Step Solution
- Step 1: Write the proportion equation
32,806,470.76 : 45,272,052.52 = 18,121,820.99 : x - Step 2: Convert to fraction form
32,806,470.76/45,272,052.52 = 18,121,820.99/x - Step 3: Cross multiply
32,806,470.76x = 45,272,052.52 × 18,121,820.99 - Step 4: Simplify right side
32,806,470.76x = 820,412,031,617,318.38 - Step 5: Solve for x
x = 820,412,031,617,318.38/32,806,470.76 - Step 6: Final answer
x = 25,007,628.45
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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.