Finding the Fourth Proportional to 10,699,491.26, 14,765,296.20 and 6,115,911.06
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Solution
The fourth proportional to 10,699,491.26, 14,765,296.20 and 6,115,911.06 is: 8,439,956.27
Step by Step Solution
- Step 1: Write the proportion equation
10,699,491.26 : 14,765,296.20 = 6,115,911.06 : x - Step 2: Convert to fraction form
10,699,491.26/14,765,296.20 = 6,115,911.06/x - Step 3: Cross multiply
10,699,491.26x = 14,765,296.20 × 6,115,911.06 - Step 4: Simplify right side
10,699,491.26x = 90,303,238,333,755.97 - Step 5: Solve for x
x = 90,303,238,333,755.97/10,699,491.26 - Step 6: Final answer
x = 8,439,956.27
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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.