Finding the Fourth Proportional to 8,916,516.20, 13,374,774.30 and 3,236,925.80
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Solution
The fourth proportional to 8,916,516.20, 13,374,774.30 and 3,236,925.80 is: 4,855,388.70
Step by Step Solution
- Step 1: Write the proportion equation
8,916,516.20 : 13,374,774.30 = 3,236,925.80 : x - Step 2: Convert to fraction form
8,916,516.20/13,374,774.30 = 3,236,925.80/x - Step 3: Cross multiply
8,916,516.20x = 13,374,774.30 × 3,236,925.80 - Step 4: Simplify right side
8,916,516.20x = 43,293,152,000,846.94 - Step 5: Solve for x
x = 43,293,152,000,846.94/8,916,516.20 - Step 6: Final answer
x = 4,855,388.70
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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.