Finding the Fourth Proportional to 26,639,627.67, 39,960,851.99 and 8,445,242.43
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Solution
The fourth proportional to 26,639,627.67, 39,960,851.99 and 8,445,242.43 is: 12,668,310.79
Step by Step Solution
- Step 1: Write the proportion equation
26,639,627.67 : 39,960,851.99 = 8,445,242.43 : x - Step 2: Convert to fraction form
26,639,627.67/39,960,851.99 = 8,445,242.43/x - Step 3: Cross multiply
26,639,627.67x = 39,960,851.99 × 8,445,242.43 - Step 4: Simplify right side
26,639,627.67x = 337,479,082,722,671.69 - Step 5: Solve for x
x = 337,479,082,722,671.69/26,639,627.67 - Step 6: Final answer
x = 12,668,310.79
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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.