Finding the Fourth Proportional to 8,197,812.90, 12,296,719.35 and 2,518,319.70
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Solution
The fourth proportional to 8,197,812.90, 12,296,719.35 and 2,518,319.70 is: 3,777,479.55
Step by Step Solution
- Step 1: Write the proportion equation
8,197,812.90 : 12,296,719.35 = 2,518,319.70 : x - Step 2: Convert to fraction form
8,197,812.90/12,296,719.35 = 2,518,319.70/x - Step 3: Cross multiply
8,197,812.90x = 12,296,719.35 × 2,518,319.70 - Step 4: Simplify right side
8,197,812.90x = 30,967,070,584,476.20 - Step 5: Solve for x
x = 30,967,070,584,476.20/8,197,812.90 - Step 6: Final answer
x = 3,777,479.55
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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.