Finding the Fourth Proportional to 10,765,442.30, 16,129,883.45 and 6,496,640.70
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Solution
The fourth proportional to 10,765,442.30, 16,129,883.45 and 6,496,640.70 is: 9,733,929.59
Step by Step Solution
- Step 1: Write the proportion equation
10,765,442.30 : 16,129,883.45 = 6,496,640.70 : x - Step 2: Convert to fraction form
10,765,442.30/16,129,883.45 = 6,496,640.70/x - Step 3: Cross multiply
10,765,442.30x = 16,129,883.45 × 6,496,640.70 - Step 4: Simplify right side
10,765,442.30x = 104,790,057,307,526.41 - Step 5: Solve for x
x = 104,790,057,307,526.41/10,765,442.30 - Step 6: Final answer
x = 9,733,929.59
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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.