Finding the Fourth Proportional to 11,763,569.80, 17,645,354.70 and 4,190,782.60
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Solution
The fourth proportional to 11,763,569.80, 17,645,354.70 and 4,190,782.60 is: 6,286,173.90
Step by Step Solution
- Step 1: Write the proportion equation
11,763,569.80 : 17,645,354.70 = 4,190,782.60 : x - Step 2: Convert to fraction form
11,763,569.80/17,645,354.70 = 4,190,782.60/x - Step 3: Cross multiply
11,763,569.80x = 17,645,354.70 × 4,190,782.60 - Step 4: Simplify right side
11,763,569.80x = 73,947,845,447,588.22 - Step 5: Solve for x
x = 73,947,845,447,588.22/11,763,569.80 - Step 6: Final answer
x = 6,286,173.90
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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.