Finding the Fourth Proportional to 10,943,630.85, 15,102,270.69 and 5,982,079.68
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Solution
The fourth proportional to 10,943,630.85, 15,102,270.69 and 5,982,079.68 is: 8,255,302.82
Step by Step Solution
- Step 1: Write the proportion equation
10,943,630.85 : 15,102,270.69 = 5,982,079.68 : x - Step 2: Convert to fraction form
10,943,630.85/15,102,270.69 = 5,982,079.68/x - Step 3: Cross multiply
10,943,630.85x = 15,102,270.69 × 5,982,079.68 - Step 4: Simplify right side
10,943,630.85x = 90,342,986,616,508.58 - Step 5: Solve for x
x = 90,342,986,616,508.58/10,943,630.85 - Step 6: Final answer
x = 8,255,302.82
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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.