Finding the Fourth Proportional to 42,425,424.07, 63,612,091.21 and 16,487,439.13
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Solution
The fourth proportional to 42,425,424.07, 63,612,091.21 and 16,487,439.13 is: 24,721,037.09
Step by Step Solution
- Step 1: Write the proportion equation
42,425,424.07 : 63,612,091.21 = 16,487,439.13 : x - Step 2: Convert to fraction form
42,425,424.07/63,612,091.21 = 16,487,439.13/x - Step 3: Cross multiply
42,425,424.07x = 63,612,091.21 × 16,487,439.13 - Step 4: Simplify right side
42,425,424.07x = 1,048,800,481,826,093.50 - Step 5: Solve for x
x = 1,048,800,481,826,093.50/42,425,424.07 - Step 6: Final answer
x = 24,721,037.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.