Finding the Fourth Proportional to 11,230,737.42, 16,801,782.47 and 8,506,135.57
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Solution
The fourth proportional to 11,230,737.42, 16,801,782.47 and 8,506,135.57 is: 12,725,632.72
Step by Step Solution
- Step 1: Write the proportion equation
11,230,737.42 : 16,801,782.47 = 8,506,135.57 : x - Step 2: Convert to fraction form
11,230,737.42/16,801,782.47 = 8,506,135.57/x - Step 3: Cross multiply
11,230,737.42x = 16,801,782.47 × 8,506,135.57 - Step 4: Simplify right side
11,230,737.42x = 142,918,239,492,307 - Step 5: Solve for x
x = 142,918,239,492,307/11,230,737.42 - Step 6: Final answer
x = 12,725,632.72
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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.