Finding the Fourth Proportional to 18,523,778.64, 27,785,266.20 and 6,392,834.16
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Solution
The fourth proportional to 18,523,778.64, 27,785,266.20 and 6,392,834.16 is: 9,589,112.59
Step by Step Solution
- Step 1: Write the proportion equation
18,523,778.64 : 27,785,266.20 = 6,392,834.16 : x - Step 2: Convert to fraction form
18,523,778.64/27,785,266.20 = 6,392,834.16/x - Step 3: Cross multiply
18,523,778.64x = 27,785,266.20 × 6,392,834.16 - Step 4: Simplify right side
18,523,778.64x = 177,626,598,908,053.41 - Step 5: Solve for x
x = 177,626,598,908,053.41/18,523,778.64 - Step 6: Final answer
x = 9,589,112.59
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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.