Finding the Fourth Proportional to 11,768,039.80, 17,652,059.70 and 4,195,252.60
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Solution
The fourth proportional to 11,768,039.80, 17,652,059.70 and 4,195,252.60 is: 6,292,878.90
Step by Step Solution
- Step 1: Write the proportion equation
11,768,039.80 : 17,652,059.70 = 4,195,252.60 : x - Step 2: Convert to fraction form
11,768,039.80/17,652,059.70 = 4,195,252.60/x - Step 3: Cross multiply
11,768,039.80x = 17,652,059.70 × 4,195,252.60 - Step 4: Simplify right side
11,768,039.80x = 74,054,849,351,780.20 - Step 5: Solve for x
x = 74,054,849,351,780.20/11,768,039.80 - Step 6: Final answer
x = 6,292,878.90
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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.