Finding the Fourth Proportional to 35,681,220.50, 49,236,135.32 and 19,785,905.64
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Solution
The fourth proportional to 35,681,220.50, 49,236,135.32 and 19,785,905.64 is: 27,302,360.01
Step by Step Solution
- Step 1: Write the proportion equation
35,681,220.50 : 49,236,135.32 = 19,785,905.64 : x - Step 2: Convert to fraction form
35,681,220.50/49,236,135.32 = 19,785,905.64/x - Step 3: Cross multiply
35,681,220.50x = 49,236,135.32 × 19,785,905.64 - Step 4: Simplify right side
35,681,220.50x = 974,181,527,569,256 - Step 5: Solve for x
x = 974,181,527,569,256/35,681,220.50 - Step 6: Final answer
x = 27,302,360.01
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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.