Finding the Fourth Proportional to 7,670,345.33, 11,490,680.72 and 6,424,562.09
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Solution
The fourth proportional to 7,670,345.33, 11,490,680.72 and 6,424,562.09 is: 9,624,415.67
Step by Step Solution
- Step 1: Write the proportion equation
7,670,345.33 : 11,490,680.72 = 6,424,562.09 : x - Step 2: Convert to fraction form
7,670,345.33/11,490,680.72 = 6,424,562.09/x - Step 3: Cross multiply
7,670,345.33x = 11,490,680.72 × 6,424,562.09 - Step 4: Simplify right side
7,670,345.33x = 73,822,591,786,794.02 - Step 5: Solve for x
x = 73,822,591,786,794.02/7,670,345.33 - Step 6: Final answer
x = 9,624,415.67
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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.