Finding the Fourth Proportional to 12,648,423.65, 17,454,820.95 and 6,847,201.08
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Solution
The fourth proportional to 12,648,423.65, 17,454,820.95 and 6,847,201.08 is: 9,449,135.50
Step by Step Solution
- Step 1: Write the proportion equation
12,648,423.65 : 17,454,820.95 = 6,847,201.08 : x - Step 2: Convert to fraction form
12,648,423.65/17,454,820.95 = 6,847,201.08/x - Step 3: Cross multiply
12,648,423.65x = 17,454,820.95 × 6,847,201.08 - Step 4: Simplify right side
12,648,423.65x = 119,516,668,860,046.62 - Step 5: Solve for x
x = 119,516,668,860,046.62/12,648,423.65 - Step 6: Final answer
x = 9,449,135.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.