Finding the Fourth Proportional to 13,523,058.21, 20,286,949.28 and 5,949,827.13
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Solution
The fourth proportional to 13,523,058.21, 20,286,949.28 and 5,949,827.13 is: 8,925,779.90
Step by Step Solution
- Step 1: Write the proportion equation
13,523,058.21 : 20,286,949.28 = 5,949,827.13 : x - Step 2: Convert to fraction form
13,523,058.21/20,286,949.28 = 5,949,827.13/x - Step 3: Cross multiply
13,523,058.21x = 20,286,949.28 × 5,949,827.13 - Step 4: Simplify right side
13,523,058.21x = 120,703,841,211,077.97 - Step 5: Solve for x
x = 120,703,841,211,077.97/13,523,058.21 - Step 6: Final answer
x = 8,925,779.90
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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.