Finding the Fourth Proportional to 56,694,645.18, 85,055,483.46 and 18,356,170.68
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Solution
The fourth proportional to 56,694,645.18, 85,055,483.46 and 18,356,170.68 is: 27,538,632.03
Step by Step Solution
- Step 1: Write the proportion equation
56,694,645.18 : 85,055,483.46 = 18,356,170.68 : x - Step 2: Convert to fraction form
56,694,645.18/85,055,483.46 = 18,356,170.68/x - Step 3: Cross multiply
56,694,645.18x = 85,055,483.46 × 18,356,170.68 - Step 4: Simplify right side
56,694,645.18x = 1,561,292,971,661,676.75 - Step 5: Solve for x
x = 1,561,292,971,661,676.75/56,694,645.18 - Step 6: Final answer
x = 27,538,632.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.