Finding the Fourth Proportional to 16,658,835.80, 24,960,260.10 and 8,120,787.80
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Solution
The fourth proportional to 16,658,835.80, 24,960,260.10 and 8,120,787.80 is: 12,167,535.48
Step by Step Solution
- Step 1: Write the proportion equation
16,658,835.80 : 24,960,260.10 = 8,120,787.80 : x - Step 2: Convert to fraction form
16,658,835.80/24,960,260.10 = 8,120,787.80/x - Step 3: Cross multiply
16,658,835.80x = 24,960,260.10 × 8,120,787.80 - Step 4: Simplify right side
16,658,835.80x = 202,696,975,704,906.78 - Step 5: Solve for x
x = 202,696,975,704,906.78/16,658,835.80 - Step 6: Final answer
x = 12,167,535.48
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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.