Finding the Fourth Proportional to 11,580,785.20, 17,371,177.80 and 4,389,929.20
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Solution
The fourth proportional to 11,580,785.20, 17,371,177.80 and 4,389,929.20 is: 6,584,893.80
Step by Step Solution
- Step 1: Write the proportion equation
11,580,785.20 : 17,371,177.80 = 4,389,929.20 : x - Step 2: Convert to fraction form
11,580,785.20/17,371,177.80 = 4,389,929.20/x - Step 3: Cross multiply
11,580,785.20x = 17,371,177.80 × 4,389,929.20 - Step 4: Simplify right side
11,580,785.20x = 76,258,240,662,611.77 - Step 5: Solve for x
x = 76,258,240,662,611.77/11,580,785.20 - Step 6: Final answer
x = 6,584,893.80
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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.