Finding the Fourth Proportional to 13,078,496.09, 19,622,154.27 and 5,790,960.92
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Solution
The fourth proportional to 13,078,496.09, 19,622,154.27 and 5,790,960.92 is: 8,688,394.12
Step by Step Solution
- Step 1: Write the proportion equation
13,078,496.09 : 19,622,154.27 = 5,790,960.92 : x - Step 2: Convert to fraction form
13,078,496.09/19,622,154.27 = 5,790,960.92/x - Step 3: Cross multiply
13,078,496.09x = 19,622,154.27 × 5,790,960.92 - Step 4: Simplify right side
13,078,496.09x = 113,631,128,445,670.36 - Step 5: Solve for x
x = 113,631,128,445,670.36/13,078,496.09 - Step 6: Final answer
x = 8,688,394.12
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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.