Finding the Fourth Proportional to 13,619,564.88, 18,795,126.32 and 7,508,212.08
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Solution
The fourth proportional to 13,619,564.88, 18,795,126.32 and 7,508,212.08 is: 10,361,402.56
Step by Step Solution
- Step 1: Write the proportion equation
13,619,564.88 : 18,795,126.32 = 7,508,212.08 : x - Step 2: Convert to fraction form
13,619,564.88/18,795,126.32 = 7,508,212.08/x - Step 3: Cross multiply
13,619,564.88x = 18,795,126.32 × 7,508,212.08 - Step 4: Simplify right side
13,619,564.88x = 141,117,794,480,949.94 - Step 5: Solve for x
x = 141,117,794,480,949.94/13,619,564.88 - Step 6: Final answer
x = 10,361,402.56
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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.