Finding the Fourth Proportional to 11,721,173.96, 17,578,927.02 and 3,201,555.08
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Solution
The fourth proportional to 11,721,173.96, 17,578,927.02 and 3,201,555.08 is: 4,801,558.55
Step by Step Solution
- Step 1: Write the proportion equation
11,721,173.96 : 17,578,927.02 = 3,201,555.08 : x - Step 2: Convert to fraction form
11,721,173.96/17,578,927.02 = 3,201,555.08/x - Step 3: Cross multiply
11,721,173.96x = 17,578,927.02 × 3,201,555.08 - Step 4: Simplify right side
11,721,173.96x = 56,279,903,101,830.26 - Step 5: Solve for x
x = 56,279,903,101,830.26/11,721,173.96 - Step 6: Final answer
x = 4,801,558.55
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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.