Finding the Fourth Proportional to 32,706,176.32, 45,132,489.34 and 18,021,020.80
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Solution
The fourth proportional to 32,706,176.32, 45,132,489.34 and 18,021,020.80 is: 24,867,887.99
Step by Step Solution
- Step 1: Write the proportion equation
32,706,176.32 : 45,132,489.34 = 18,021,020.80 : x - Step 2: Convert to fraction form
32,706,176.32/45,132,489.34 = 18,021,020.80/x - Step 3: Cross multiply
32,706,176.32x = 45,132,489.34 × 18,021,020.80 - Step 4: Simplify right side
32,706,176.32x = 813,333,529,151,918.38 - Step 5: Solve for x
x = 813,333,529,151,918.38/32,706,176.32 - Step 6: Final answer
x = 24,867,887.99
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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.