Finding the Fourth Proportional to 8,964,971.09, 12,371,644.46 and 4,890,590.09
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Solution
The fourth proportional to 8,964,971.09, 12,371,644.46 and 4,890,590.09 is: 6,749,005.79
Step by Step Solution
- Step 1: Write the proportion equation
8,964,971.09 : 12,371,644.46 = 4,890,590.09 : x - Step 2: Convert to fraction form
8,964,971.09/12,371,644.46 = 4,890,590.09/x - Step 3: Cross multiply
8,964,971.09x = 12,371,644.46 × 4,890,590.09 - Step 4: Simplify right side
8,964,971.09x = 60,504,641,768,626.45 - Step 5: Solve for x
x = 60,504,641,768,626.45/8,964,971.09 - Step 6: Final answer
x = 6,749,005.79
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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.