Finding the Fourth Proportional to 11,203,633.60, 16,768,125.60 and 9,859,940.80
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Solution
The fourth proportional to 11,203,633.60, 16,768,125.60 and 9,859,940.80 is: 14,757,062.90
Step by Step Solution
- Step 1: Write the proportion equation
11,203,633.60 : 16,768,125.60 = 9,859,940.80 : x - Step 2: Convert to fraction form
11,203,633.60/16,768,125.60 = 9,859,940.80/x - Step 3: Cross multiply
11,203,633.60x = 16,768,125.60 × 9,859,940.80 - Step 4: Simplify right side
11,203,633.60x = 165,332,725,742,964.50 - Step 5: Solve for x
x = 165,332,725,742,964.50/11,203,633.60 - Step 6: Final answer
x = 14,757,062.90
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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.