Finding the Fourth Proportional to 36,138,503.36, 54,207,753.53 and 10,579,512.67
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Solution
The fourth proportional to 36,138,503.36, 54,207,753.53 and 10,579,512.67 is: 15,869,268.56
Step by Step Solution
- Step 1: Write the proportion equation
36,138,503.36 : 54,207,753.53 = 10,579,512.67 : x - Step 2: Convert to fraction form
36,138,503.36/54,207,753.53 = 10,579,512.67/x - Step 3: Cross multiply
36,138,503.36x = 54,207,753.53 × 10,579,512.67 - Step 4: Simplify right side
36,138,503.36x = 573,491,615,094,455.25 - Step 5: Solve for x
x = 573,491,615,094,455.25/36,138,503.36 - Step 6: Final answer
x = 15,869,268.56
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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.