Finding the Fourth Proportional to 13,293,438.08, 19,940,157.12 and 3,196,059.20
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Solution
The fourth proportional to 13,293,438.08, 19,940,157.12 and 3,196,059.20 is: 4,794,088.80
Step by Step Solution
- Step 1: Write the proportion equation
13,293,438.08 : 19,940,157.12 = 3,196,059.20 : x - Step 2: Convert to fraction form
13,293,438.08/19,940,157.12 = 3,196,059.20/x - Step 3: Cross multiply
13,293,438.08x = 19,940,157.12 × 3,196,059.20 - Step 4: Simplify right side
13,293,438.08x = 63,729,922,612,821.51 - Step 5: Solve for x
x = 63,729,922,612,821.51/13,293,438.08 - Step 6: Final answer
x = 4,794,088.80
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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.