Finding the Fourth Proportional to 12,535,201.76, 18,805,509.68 and 3,899,137.84
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Solution
The fourth proportional to 12,535,201.76, 18,805,509.68 and 3,899,137.84 is: 5,849,548.80
Step by Step Solution
- Step 1: Write the proportion equation
12,535,201.76 : 18,805,509.68 = 3,899,137.84 : x - Step 2: Convert to fraction form
12,535,201.76/18,805,509.68 = 3,899,137.84/x - Step 3: Cross multiply
12,535,201.76x = 18,805,509.68 × 3,899,137.84 - Step 4: Simplify right side
12,535,201.76x = 73,325,274,393,774.28 - Step 5: Solve for x
x = 73,325,274,393,774.28/12,535,201.76 - Step 6: Final answer
x = 5,849,548.80
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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.