Finding the Fourth Proportional to 14,493,178.94, 20,010,217.88 and 11,134,363.07
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Solution
The fourth proportional to 14,493,178.94, 20,010,217.88 and 11,134,363.07 is: 15,372,819.99
Step by Step Solution
- Step 1: Write the proportion equation
14,493,178.94 : 20,010,217.88 = 11,134,363.07 : x - Step 2: Convert to fraction form
14,493,178.94/20,010,217.88 = 11,134,363.07/x - Step 3: Cross multiply
14,493,178.94x = 20,010,217.88 × 11,134,363.07 - Step 4: Simplify right side
14,493,178.94x = 222,801,030,830,002.78 - Step 5: Solve for x
x = 222,801,030,830,002.78/14,493,178.94 - Step 6: Final answer
x = 15,372,819.99
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1.5x scale
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.