Finding the Fourth Proportional to 12,258,541.82, 16,916,901.81 and 6,752,112.14
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Solution
The fourth proportional to 12,258,541.82, 16,916,901.81 and 6,752,112.14 is: 9,317,977.60
Step by Step Solution
- Step 1: Write the proportion equation
12,258,541.82 : 16,916,901.81 = 6,752,112.14 : x - Step 2: Convert to fraction form
12,258,541.82/16,916,901.81 = 6,752,112.14/x - Step 3: Cross multiply
12,258,541.82x = 16,916,901.81 × 6,752,112.14 - Step 4: Simplify right side
12,258,541.82x = 114,224,818,082,488.95 - Step 5: Solve for x
x = 114,224,818,082,488.95/12,258,541.82 - Step 6: Final answer
x = 9,317,977.60
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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.