Finding the Fourth Proportional to 10,369,618.21, 14,306,081.94 and 6,495,394.69
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Solution
The fourth proportional to 10,369,618.21, 14,306,081.94 and 6,495,394.69 is: 8,961,144.64
Step by Step Solution
- Step 1: Write the proportion equation
10,369,618.21 : 14,306,081.94 = 6,495,394.69 : x - Step 2: Convert to fraction form
10,369,618.21/14,306,081.94 = 6,495,394.69/x - Step 3: Cross multiply
10,369,618.21x = 14,306,081.94 × 6,495,394.69 - Step 4: Simplify right side
10,369,618.21x = 92,923,648,667,780.91 - Step 5: Solve for x
x = 92,923,648,667,780.91/10,369,618.21 - Step 6: Final answer
x = 8,961,144.64
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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.