Finding the Fourth Proportional to 10,369,615.20, 14,306,077.81 and 6,495,391.68
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Solution
The fourth proportional to 10,369,615.20, 14,306,077.81 and 6,495,391.68 is: 8,961,140.50
Step by Step Solution
- Step 1: Write the proportion equation
10,369,615.20 : 14,306,077.81 = 6,495,391.68 : x - Step 2: Convert to fraction form
10,369,615.20/14,306,077.81 = 6,495,391.68/x - Step 3: Cross multiply
10,369,615.20x = 14,306,077.81 × 6,495,391.68 - Step 4: Simplify right side
10,369,615.20x = 92,923,578,780,506.62 - Step 5: Solve for x
x = 92,923,578,780,506.62/10,369,615.20 - Step 6: Final answer
x = 8,961,140.50
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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.