Finding the Fourth Proportional to 10,879,845.70, 16,323,786.15 and 4,490,652.10
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Solution
The fourth proportional to 10,879,845.70, 16,323,786.15 and 4,490,652.10 is: 6,737,636.41
Step by Step Solution
- Step 1: Write the proportion equation
10,879,845.70 : 16,323,786.15 = 4,490,652.10 : x - Step 2: Convert to fraction form
10,879,845.70/16,323,786.15 = 4,490,652.10/x - Step 3: Cross multiply
10,879,845.70x = 16,323,786.15 × 4,490,652.10 - Step 4: Simplify right side
10,879,845.70x = 73,304,444,554,448.41 - Step 5: Solve for x
x = 73,304,444,554,448.41/10,879,845.70 - Step 6: Final answer
x = 6,737,636.41
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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.