Finding the Fourth Proportional to 18,889,622.30, 26,495,859.70 and 18,889,622.30
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Solution
The fourth proportional to 18,889,622.30, 26,495,859.70 and 18,889,622.30 is: 26,495,859.70
Step by Step Solution
- Step 1: Write the proportion equation
18,889,622.30 : 26,495,859.70 = 18,889,622.30 : x - Step 2: Convert to fraction form
18,889,622.30/26,495,859.70 = 18,889,622.30/x - Step 3: Cross multiply
18,889,622.30x = 26,495,859.70 × 18,889,622.30 - Step 4: Simplify right side
18,889,622.30x = 500,496,782,246,791.31 - Step 5: Solve for x
x = 500,496,782,246,791.31/18,889,622.30 - Step 6: Final answer
x = 26,495,859.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.