Finding the Fourth Proportional to 10,992,189.92, 16,488,425.16 and 2,905,095.62
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Solution
The fourth proportional to 10,992,189.92, 16,488,425.16 and 2,905,095.62 is: 4,357,680.50
Step by Step Solution
- Step 1: Write the proportion equation
10,992,189.92 : 16,488,425.16 = 2,905,095.62 : x - Step 2: Convert to fraction form
10,992,189.92/16,488,425.16 = 2,905,095.62/x - Step 3: Cross multiply
10,992,189.92x = 16,488,425.16 × 2,905,095.62 - Step 4: Simplify right side
10,992,189.92x = 47,900,451,713,013.80 - Step 5: Solve for x
x = 47,900,451,713,013.80/10,992,189.92 - Step 6: Final answer
x = 4,357,680.50
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1.5x scale
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.