Finding the Fourth Proportional to 18,359,874.80, 27,539,812.20 and 6,392,610.80
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Solution
The fourth proportional to 18,359,874.80, 27,539,812.20 and 6,392,610.80 is: 9,588,916.20
Step by Step Solution
- Step 1: Write the proportion equation
18,359,874.80 : 27,539,812.20 = 6,392,610.80 : x - Step 2: Convert to fraction form
18,359,874.80/27,539,812.20 = 6,392,610.80/x - Step 3: Cross multiply
18,359,874.80x = 27,539,812.20 × 6,392,610.80 - Step 4: Simplify right side
18,359,874.80x = 176,051,300,899,691.75 - Step 5: Solve for x
x = 176,051,300,899,691.75/18,359,874.80 - Step 6: Final answer
x = 9,588,916.20
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1.5x scale
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.