Finding the Fourth Proportional to 10,890,749.80, 16,336,124.70 and 2,912,573.80
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Solution
The fourth proportional to 10,890,749.80, 16,336,124.70 and 2,912,573.80 is: 4,368,860.70
Step by Step Solution
- Step 1: Write the proportion equation
10,890,749.80 : 16,336,124.70 = 2,912,573.80 : x - Step 2: Convert to fraction form
10,890,749.80/16,336,124.70 = 2,912,573.80/x - Step 3: Cross multiply
10,890,749.80x = 16,336,124.70 × 2,912,573.80 - Step 4: Simplify right side
10,890,749.80x = 47,580,168,794,752.85 - Step 5: Solve for x
x = 47,580,168,794,752.85/10,890,749.80 - Step 6: Final answer
x = 4,368,860.70
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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.