Finding the Fourth Proportional to 8,806,831.20, 13,210,246.80 and 5,775,649.20
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Solution
The fourth proportional to 8,806,831.20, 13,210,246.80 and 5,775,649.20 is: 8,663,473.80
Step by Step Solution
- Step 1: Write the proportion equation
8,806,831.20 : 13,210,246.80 = 5,775,649.20 : x - Step 2: Convert to fraction form
8,806,831.20/13,210,246.80 = 5,775,649.20/x - Step 3: Cross multiply
8,806,831.20x = 13,210,246.80 × 5,775,649.20 - Step 4: Simplify right side
8,806,831.20x = 76,297,751,362,222.56 - Step 5: Solve for x
x = 76,297,751,362,222.56/8,806,831.20 - Step 6: Final answer
x = 8,663,473.80
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Similar ratio
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1.5x scale
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.