Finding the Fourth Proportional to 18,363,953.20, 27,546,966.60 and 5,584,874.80
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Solution
The fourth proportional to 18,363,953.20, 27,546,966.60 and 5,584,874.80 is: 8,377,627.51
Step by Step Solution
- Step 1: Write the proportion equation
18,363,953.20 : 27,546,966.60 = 5,584,874.80 : x - Step 2: Convert to fraction form
18,363,953.20/27,546,966.60 = 5,584,874.80/x - Step 3: Cross multiply
18,363,953.20x = 27,546,966.60 × 5,584,874.80 - Step 4: Simplify right side
18,363,953.20x = 153,846,359,580,781.69 - Step 5: Solve for x
x = 153,846,359,580,781.69/18,363,953.20 - Step 6: Final answer
x = 8,377,627.51
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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.