Finding the Fourth Proportional to 15,314,202.78, 22,949,630.73 and 8,493,778.14
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Solution
The fourth proportional to 15,314,202.78, 22,949,630.73 and 8,493,778.14 is: 12,728,646.38
Step by Step Solution
- Step 1: Write the proportion equation
15,314,202.78 : 22,949,630.73 = 8,493,778.14 : x - Step 2: Convert to fraction form
15,314,202.78/22,949,630.73 = 8,493,778.14/x - Step 3: Cross multiply
15,314,202.78x = 22,949,630.73 × 8,493,778.14 - Step 4: Simplify right side
15,314,202.78x = 194,929,071,815,546.25 - Step 5: Solve for x
x = 194,929,071,815,546.25/15,314,202.78 - Step 6: Final answer
x = 12,728,646.38
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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.