Finding the Fourth Proportional to 10,143,170.96, 13,997,914.44 and 5,559,504.08
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Solution
The fourth proportional to 10,143,170.96, 13,997,914.44 and 5,559,504.08 is: 7,672,301.17
Step by Step Solution
- Step 1: Write the proportion equation
10,143,170.96 : 13,997,914.44 = 5,559,504.08 : x - Step 2: Convert to fraction form
10,143,170.96/13,997,914.44 = 5,559,504.08/x - Step 3: Cross multiply
10,143,170.96x = 13,997,914.44 × 5,559,504.08 - Step 4: Simplify right side
10,143,170.96x = 77,821,462,440,670.91 - Step 5: Solve for x
x = 77,821,462,440,670.91/10,143,170.96 - Step 6: Final answer
x = 7,672,301.17
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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.