Finding the Fourth Proportional to 33,027,541.56, 45,578,112.95 and 18,343,205.19
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Solution
The fourth proportional to 33,027,541.56, 45,578,112.95 and 18,343,205.19 is: 25,313,681.81
Step by Step Solution
- Step 1: Write the proportion equation
33,027,541.56 : 45,578,112.95 = 18,343,205.19 : x - Step 2: Convert to fraction form
33,027,541.56/45,578,112.95 = 18,343,205.19/x - Step 3: Cross multiply
33,027,541.56x = 45,578,112.95 × 18,343,205.19 - Step 4: Simplify right side
33,027,541.56x = 836,048,678,060,704.25 - Step 5: Solve for x
x = 836,048,678,060,704.25/33,027,541.56 - Step 6: Final answer
x = 25,313,681.81
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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.