Finding the Fourth Proportional to 14,379,638.04, 19,844,390.22 and 8,504,308.68
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Solution
The fourth proportional to 14,379,638.04, 19,844,390.22 and 8,504,308.68 is: 11,736,235.61
Step by Step Solution
- Step 1: Write the proportion equation
14,379,638.04 : 19,844,390.22 = 8,504,308.68 : x - Step 2: Convert to fraction form
14,379,638.04/19,844,390.22 = 8,504,308.68/x - Step 3: Cross multiply
14,379,638.04x = 19,844,390.22 × 8,504,308.68 - Step 4: Simplify right side
14,379,638.04x = 168,762,819,997,253.09 - Step 5: Solve for x
x = 168,762,819,997,253.09/14,379,638.04 - Step 6: Final answer
x = 11,736,235.61
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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.