Finding the Fourth Proportional to 11,338,350.40, 16,997,454.42 and 4,420,235.08
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Solution
The fourth proportional to 11,338,350.40, 16,997,454.42 and 4,420,235.08 is: 6,626,426.39
Step by Step Solution
- Step 1: Write the proportion equation
11,338,350.40 : 16,997,454.42 = 4,420,235.08 : x - Step 2: Convert to fraction form
11,338,350.40/16,997,454.42 = 4,420,235.08/x - Step 3: Cross multiply
11,338,350.40x = 16,997,454.42 × 4,420,235.08 - Step 4: Simplify right side
11,338,350.40x = 75,132,744,297,985.06 - Step 5: Solve for x
x = 75,132,744,297,985.06/11,338,350.40 - Step 6: Final answer
x = 6,626,426.39
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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.