Finding the Fourth Proportional to 8,213,541.96, 11,322,831.06 and 5,631,132.36
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Solution
The fourth proportional to 8,213,541.96, 11,322,831.06 and 5,631,132.36 is: 7,762,833.71
Step by Step Solution
- Step 1: Write the proportion equation
8,213,541.96 : 11,322,831.06 = 5,631,132.36 : x - Step 2: Convert to fraction form
8,213,541.96/11,322,831.06 = 5,631,132.36/x - Step 3: Cross multiply
8,213,541.96x = 11,322,831.06 × 5,631,132.36 - Step 4: Simplify right side
8,213,541.96x = 63,760,360,388,779.11 - Step 5: Solve for x
x = 63,760,360,388,779.11/8,213,541.96 - Step 6: Final answer
x = 7,762,833.71
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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.