Finding the Fourth Proportional to 11,230,738.92, 16,801,784.71 and 8,506,137.07
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Solution
The fourth proportional to 11,230,738.92, 16,801,784.71 and 8,506,137.07 is: 12,725,634.95
Step by Step Solution
- Step 1: Write the proportion equation
11,230,738.92 : 16,801,784.71 = 8,506,137.07 : x - Step 2: Convert to fraction form
11,230,738.92/16,801,784.71 = 8,506,137.07/x - Step 3: Cross multiply
11,230,738.92x = 16,801,784.71 × 8,506,137.07 - Step 4: Simplify right side
11,230,738.92x = 142,918,283,763,890.22 - Step 5: Solve for x
x = 142,918,283,763,890.22/11,230,738.92 - Step 6: Final answer
x = 12,725,634.95
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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.