Finding the Fourth Proportional to 10,686,960.43, 15,992,599.88 and 6,645,351.49
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Solution
The fourth proportional to 10,686,960.43, 15,992,599.88 and 6,645,351.49 is: 9,944,497.14
Step by Step Solution
- Step 1: Write the proportion equation
10,686,960.43 : 15,992,599.88 = 6,645,351.49 : x - Step 2: Convert to fraction form
10,686,960.43/15,992,599.88 = 6,645,351.49/x - Step 3: Cross multiply
10,686,960.43x = 15,992,599.88 × 6,645,351.49 - Step 4: Simplify right side
10,686,960.43x = 106,276,447,408,305.06 - Step 5: Solve for x
x = 106,276,447,408,305.06/10,686,960.43 - Step 6: Final answer
x = 9,944,497.14
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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.