Finding the Fourth Proportional to 21,163,077, 31,746,256.08 and 6,588,165.48
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Solution
The fourth proportional to 21,163,077, 31,746,256.08 and 6,588,165.48 is: 9,882,758.94
Step by Step Solution
- Step 1: Write the proportion equation
21,163,077 : 31,746,256.08 = 6,588,165.48 : x - Step 2: Convert to fraction form
21,163,077/31,746,256.08 = 6,588,165.48/x - Step 3: Cross multiply
21,163,077x = 31,746,256.08 × 6,588,165.48 - Step 4: Simplify right side
21,163,077x = 209,149,588,425,496.12 - Step 5: Solve for x
x = 209,149,588,425,496.12/21,163,077 - Step 6: Final answer
x = 9,882,758.94
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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.