Finding the Fourth Proportional to 10,935,353.20, 16,403,029.80 and 3,744,497.20
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Solution
The fourth proportional to 10,935,353.20, 16,403,029.80 and 3,744,497.20 is: 5,616,745.80
Step by Step Solution
- Step 1: Write the proportion equation
10,935,353.20 : 16,403,029.80 = 3,744,497.20 : x - Step 2: Convert to fraction form
10,935,353.20/16,403,029.80 = 3,744,497.20/x - Step 3: Cross multiply
10,935,353.20x = 16,403,029.80 × 3,744,497.20 - Step 4: Simplify right side
10,935,353.20x = 61,421,099,157,616.56 - Step 5: Solve for x
x = 61,421,099,157,616.56/10,935,353.20 - Step 6: Final answer
x = 5,616,745.80
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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.