Finding the Fourth Proportional to 10,203,418.68, 14,080,717.88 and 5,619,740.06
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Solution
The fourth proportional to 10,203,418.68, 14,080,717.88 and 5,619,740.06 is: 7,755,241.34
Step by Step Solution
- Step 1: Write the proportion equation
10,203,418.68 : 14,080,717.88 = 5,619,740.06 : x - Step 2: Convert to fraction form
10,203,418.68/14,080,717.88 = 5,619,740.06/x - Step 3: Cross multiply
10,203,418.68x = 14,080,717.88 × 5,619,740.06 - Step 4: Simplify right side
10,203,418.68x = 79,129,974,343,794.27 - Step 5: Solve for x
x = 79,129,974,343,794.27/10,203,418.68 - Step 6: Final answer
x = 7,755,241.34
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1.5x scale
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.