Finding the Fourth Proportional to 10,369,631.20, 14,306,099.88 and 6,495,407.68
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Solution
The fourth proportional to 10,369,631.20, 14,306,099.88 and 6,495,407.68 is: 8,961,162.58
Step by Step Solution
- Step 1: Write the proportion equation
10,369,631.20 : 14,306,099.88 = 6,495,407.68 : x - Step 2: Convert to fraction form
10,369,631.20/14,306,099.88 = 6,495,407.68/x - Step 3: Cross multiply
10,369,631.20x = 14,306,099.88 × 6,495,407.68 - Step 4: Simplify right side
10,369,631.20x = 92,923,951,031,399.08 - Step 5: Solve for x
x = 92,923,951,031,399.08/10,369,631.20 - Step 6: Final answer
x = 8,961,162.58
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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.