Finding the Fourth Proportional to 33,027,543.06, 45,578,115.03 and 18,343,206.69
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Solution
The fourth proportional to 33,027,543.06, 45,578,115.03 and 18,343,206.69 is: 25,313,683.89
Step by Step Solution
- Step 1: Write the proportion equation
33,027,543.06 : 45,578,115.03 = 18,343,206.69 : x - Step 2: Convert to fraction form
33,027,543.06/45,578,115.03 = 18,343,206.69/x - Step 3: Cross multiply
33,027,543.06x = 45,578,115.03 × 18,343,206.69 - Step 4: Simplify right side
33,027,543.06x = 836,048,784,535,885.62 - Step 5: Solve for x
x = 836,048,784,535,885.62/33,027,543.06 - Step 6: Final answer
x = 25,313,683.89
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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.