Finding the Fourth Proportional to 8,245,723.47, 12,368,576.99 and 5,649,470.16
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Solution
The fourth proportional to 8,245,723.47, 12,368,576.99 and 5,649,470.16 is: 8,474,199.61
Step by Step Solution
- Step 1: Write the proportion equation
8,245,723.47 : 12,368,576.99 = 5,649,470.16 : x - Step 2: Convert to fraction form
8,245,723.47/12,368,576.99 = 5,649,470.16/x - Step 3: Cross multiply
8,245,723.47x = 12,368,576.99 × 5,649,470.16 - Step 4: Simplify right side
8,245,723.47x = 69,875,906,598,420.27 - Step 5: Solve for x
x = 69,875,906,598,420.27/8,245,723.47 - Step 6: Final answer
x = 8,474,199.61
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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.