Finding the Fourth Proportional to 18,103,274.66, 27,166,986.18 and 6,588,738.71
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Solution
The fourth proportional to 18,103,274.66, 27,166,986.18 and 6,588,738.71 is: 9,887,502.50
Step by Step Solution
- Step 1: Write the proportion equation
18,103,274.66 : 27,166,986.18 = 6,588,738.71 : x - Step 2: Convert to fraction form
18,103,274.66/27,166,986.18 = 6,588,738.71/x - Step 3: Cross multiply
18,103,274.66x = 27,166,986.18 × 6,588,738.71 - Step 4: Simplify right side
18,103,274.66x = 178,996,173,546,118.50 - Step 5: Solve for x
x = 178,996,173,546,118.50/18,103,274.66 - Step 6: Final answer
x = 9,887,502.50
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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.