Finding the Fourth Proportional to 7,486,887.25, 10,331,904.40 and 4,049,128.28
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Solution
The fourth proportional to 7,486,887.25, 10,331,904.40 and 4,049,128.28 is: 5,587,797.02
Step by Step Solution
- Step 1: Write the proportion equation
7,486,887.25 : 10,331,904.40 = 4,049,128.28 : x - Step 2: Convert to fraction form
7,486,887.25/10,331,904.40 = 4,049,128.28/x - Step 3: Cross multiply
7,486,887.25x = 10,331,904.40 × 4,049,128.28 - Step 4: Simplify right side
7,486,887.25x = 41,835,206,292,296.43 - Step 5: Solve for x
x = 41,835,206,292,296.43/7,486,887.25 - Step 6: Final answer
x = 5,587,797.02
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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.