Finding the Fourth Proportional to 14,785,867.20, 22,145,623.20 and 12,131,659.20
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Solution
The fourth proportional to 14,785,867.20, 22,145,623.20 and 12,131,659.20 is: 18,170,266.90
Step by Step Solution
- Step 1: Write the proportion equation
14,785,867.20 : 22,145,623.20 = 12,131,659.20 : x - Step 2: Convert to fraction form
14,785,867.20/22,145,623.20 = 12,131,659.20/x - Step 3: Cross multiply
14,785,867.20x = 22,145,623.20 × 12,131,659.20 - Step 4: Simplify right side
14,785,867.20x = 268,663,153,434,013.41 - Step 5: Solve for x
x = 268,663,153,434,013.41/14,785,867.20 - Step 6: Final answer
x = 18,170,266.90
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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.