Finding the Fourth Proportional to 7,465,342.97, 10,302,197.28 and 4,202,209.10
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Solution
The fourth proportional to 7,465,342.97, 10,302,197.28 and 4,202,209.10 is: 5,799,062.06
Step by Step Solution
- Step 1: Write the proportion equation
7,465,342.97 : 10,302,197.28 = 4,202,209.10 : x - Step 2: Convert to fraction form
7,465,342.97/10,302,197.28 = 4,202,209.10/x - Step 3: Cross multiply
7,465,342.97x = 10,302,197.28 × 4,202,209.10 - Step 4: Simplify right side
7,465,342.97x = 43,291,987,160,011.24 - Step 5: Solve for x
x = 43,291,987,160,011.24/7,465,342.97 - Step 6: Final answer
x = 5,799,062.06
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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.