Finding the Fourth Proportional to 12,616,277.18, 18,924,144.24 and 3,518,132.60
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Solution
The fourth proportional to 12,616,277.18, 18,924,144.24 and 3,518,132.60 is: 5,277,123.18
Step by Step Solution
- Step 1: Write the proportion equation
12,616,277.18 : 18,924,144.24 = 3,518,132.60 : x - Step 2: Convert to fraction form
12,616,277.18/18,924,144.24 = 3,518,132.60/x - Step 3: Cross multiply
12,616,277.18x = 18,924,144.24 × 3,518,132.60 - Step 4: Simplify right side
12,616,277.18x = 66,577,648,777,846.22 - Step 5: Solve for x
x = 66,577,648,777,846.22/12,616,277.18 - Step 6: Final answer
x = 5,277,123.18
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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.