Finding the Fourth Proportional to 12,077,853.05, 18,128,130.21 and 6,324,716.07
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Solution
The fourth proportional to 12,077,853.05, 18,128,130.21 and 6,324,716.07 is: 9,493,018.00
Step by Step Solution
- Step 1: Write the proportion equation
12,077,853.05 : 18,128,130.21 = 6,324,716.07 : x - Step 2: Convert to fraction form
12,077,853.05/18,128,130.21 = 6,324,716.07/x - Step 3: Cross multiply
12,077,853.05x = 18,128,130.21 × 6,324,716.07 - Step 4: Simplify right side
12,077,853.05x = 114,655,276,458,239.48 - Step 5: Solve for x
x = 114,655,276,458,239.48/12,077,853.05 - Step 6: Final answer
x = 9,493,018.00
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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.