Finding the Fourth Proportional to 30,860,576.78, 46,284,968.43 and 15,503,602.91
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Solution
The fourth proportional to 30,860,576.78, 46,284,968.43 and 15,503,602.91 is: 23,252,441.98
Step by Step Solution
- Step 1: Write the proportion equation
30,860,576.78 : 46,284,968.43 = 15,503,602.91 : x - Step 2: Convert to fraction form
30,860,576.78/46,284,968.43 = 15,503,602.91/x - Step 3: Cross multiply
30,860,576.78x = 46,284,968.43 × 15,503,602.91 - Step 4: Simplify right side
30,860,576.78x = 717,583,771,009,181.25 - Step 5: Solve for x
x = 717,583,771,009,181.25/30,860,576.78 - Step 6: Final answer
x = 23,252,441.98
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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.