Finding the Fourth Proportional to 7,845,913.26, 10,827,489.80 and 4,313,859.12
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Solution
The fourth proportional to 7,845,913.26, 10,827,489.80 and 4,313,859.12 is: 5,953,196.79
Step by Step Solution
- Step 1: Write the proportion equation
7,845,913.26 : 10,827,489.80 = 4,313,859.12 : x - Step 2: Convert to fraction form
7,845,913.26/10,827,489.80 = 4,313,859.12/x - Step 3: Cross multiply
7,845,913.26x = 10,827,489.80 × 4,313,859.12 - Step 4: Simplify right side
7,845,913.26x = 46,708,265,598,867.68 - Step 5: Solve for x
x = 46,708,265,598,867.68/7,845,913.26 - Step 6: Final answer
x = 5,953,196.79
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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.