Finding the Fourth Proportional to 11,170,830.26, 15,415,949.92 and 6,209,737.40
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Solution
The fourth proportional to 11,170,830.26, 15,415,949.92 and 6,209,737.40 is: 8,569,551.10
Step by Step Solution
- Step 1: Write the proportion equation
11,170,830.26 : 15,415,949.92 = 6,209,737.40 : x - Step 2: Convert to fraction form
11,170,830.26/15,415,949.92 = 6,209,737.40/x - Step 3: Cross multiply
11,170,830.26x = 15,415,949.92 × 6,209,737.40 - Step 4: Simplify right side
11,170,830.26x = 95,729,000,774,751.02 - Step 5: Solve for x
x = 95,729,000,774,751.02/11,170,830.26 - Step 6: Final answer
x = 8,569,551.10
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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.