Finding the Fourth Proportional to 9,639,597.97, 13,302,645.19 and 5,509,717.79
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Solution
The fourth proportional to 9,639,597.97, 13,302,645.19 and 5,509,717.79 is: 7,603,410.54
Step by Step Solution
- Step 1: Write the proportion equation
9,639,597.97 : 13,302,645.19 = 5,509,717.79 : x - Step 2: Convert to fraction form
9,639,597.97/13,302,645.19 = 5,509,717.79/x - Step 3: Cross multiply
9,639,597.97x = 13,302,645.19 × 5,509,717.79 - Step 4: Simplify right side
9,639,597.97x = 73,293,820,777,113.41 - Step 5: Solve for x
x = 73,293,820,777,113.41/9,639,597.97 - Step 6: Final answer
x = 7,603,410.54
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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.