Finding the Fourth Proportional to 12,284,831.64, 18,402,576.48 and 6,118,236.84
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Solution
The fourth proportional to 12,284,831.64, 18,402,576.48 and 6,118,236.84 is: 9,165,068.33
Step by Step Solution
- Step 1: Write the proportion equation
12,284,831.64 : 18,402,576.48 = 6,118,236.84 : x - Step 2: Convert to fraction form
12,284,831.64/18,402,576.48 = 6,118,236.84/x - Step 3: Cross multiply
12,284,831.64x = 18,402,576.48 × 6,118,236.84 - Step 4: Simplify right side
12,284,831.64x = 112,591,321,370,853.52 - Step 5: Solve for x
x = 112,591,321,370,853.52/12,284,831.64 - Step 6: Final answer
x = 9,165,068.33
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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.