Finding the Fourth Proportional to 36,130,829.40, 54,178,310.70 and 13,100,844.60
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Solution
The fourth proportional to 36,130,829.40, 54,178,310.70 and 13,100,844.60 is: 19,644,764.35
Step by Step Solution
- Step 1: Write the proportion equation
36,130,829.40 : 54,178,310.70 = 13,100,844.60 : x - Step 2: Convert to fraction form
36,130,829.40/54,178,310.70 = 13,100,844.60/x - Step 3: Cross multiply
36,130,829.40x = 54,178,310.70 × 13,100,844.60 - Step 4: Simplify right side
36,130,829.40x = 709,781,629,171,217.25 - Step 5: Solve for x
x = 709,781,629,171,217.25/36,130,829.40 - Step 6: Final answer
x = 19,644,764.35
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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.