Finding the Fourth Proportional to 32,936,936.72, 45,452,417.49 and 18,252,573.08
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Solution
The fourth proportional to 32,936,936.72, 45,452,417.49 and 18,252,573.08 is: 25,188,243.18
Step by Step Solution
- Step 1: Write the proportion equation
32,936,936.72 : 45,452,417.49 = 18,252,573.08 : x - Step 2: Convert to fraction form
32,936,936.72/45,452,417.49 = 18,252,573.08/x - Step 3: Cross multiply
32,936,936.72x = 45,452,417.49 × 18,252,573.08 - Step 4: Simplify right side
32,936,936.72x = 829,623,571,671,633.12 - Step 5: Solve for x
x = 829,623,571,671,633.12/32,936,936.72 - Step 6: Final answer
x = 25,188,243.18
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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.