Finding the Fourth Proportional to 14,871,828.24, 20,523,288.24 and 8,256,867.48
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Solution
The fourth proportional to 14,871,828.24, 20,523,288.24 and 8,256,867.48 is: 11,394,568.88
Step by Step Solution
- Step 1: Write the proportion equation
14,871,828.24 : 20,523,288.24 = 8,256,867.48 : x - Step 2: Convert to fraction form
14,871,828.24/20,523,288.24 = 8,256,867.48/x - Step 3: Cross multiply
14,871,828.24x = 20,523,288.24 × 8,256,867.48 - Step 4: Simplify right side
14,871,828.24x = 169,458,071,251,522.44 - Step 5: Solve for x
x = 169,458,071,251,522.44/14,871,828.24 - Step 6: Final answer
x = 11,394,568.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.