Finding the Fourth Proportional to 33,230,743.12, 45,864,428.22 and 19,820,267.98
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Solution
The fourth proportional to 33,230,743.12, 45,864,428.22 and 19,820,267.98 is: 27,355,550.09
Step by Step Solution
- Step 1: Write the proportion equation
33,230,743.12 : 45,864,428.22 = 19,820,267.98 : x - Step 2: Convert to fraction form
33,230,743.12/45,864,428.22 = 19,820,267.98/x - Step 3: Cross multiply
33,230,743.12x = 45,864,428.22 × 19,820,267.98 - Step 4: Simplify right side
33,230,743.12x = 909,045,258,069,874.38 - Step 5: Solve for x
x = 909,045,258,069,874.38/33,230,743.12 - Step 6: Final answer
x = 27,355,550.09
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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.