Finding the Fourth Proportional to 7,465,341.97, 10,302,195.90 and 4,202,208.10
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Solution
The fourth proportional to 7,465,341.97, 10,302,195.90 and 4,202,208.10 is: 5,799,060.68
Step by Step Solution
- Step 1: Write the proportion equation
7,465,341.97 : 10,302,195.90 = 4,202,208.10 : x - Step 2: Convert to fraction form
7,465,341.97/10,302,195.90 = 4,202,208.10/x - Step 3: Cross multiply
7,465,341.97x = 10,302,195.90 × 4,202,208.10 - Step 4: Simplify right side
7,465,341.97x = 43,291,971,058,766.79 - Step 5: Solve for x
x = 43,291,971,058,766.79/7,465,341.97 - Step 6: Final answer
x = 5,799,060.68
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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.