Finding the Fourth Proportional to 16,313,746.28, 22,512,454.54 and 8,971,556.76
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Solution
The fourth proportional to 16,313,746.28, 22,512,454.54 and 8,971,556.76 is: 12,380,464.93
Step by Step Solution
- Step 1: Write the proportion equation
16,313,746.28 : 22,512,454.54 = 8,971,556.76 : x - Step 2: Convert to fraction form
16,313,746.28/22,512,454.54 = 8,971,556.76/x - Step 3: Cross multiply
16,313,746.28x = 22,512,454.54 × 8,971,556.76 - Step 4: Simplify right side
16,313,746.28x = 201,971,763,690,100.81 - Step 5: Solve for x
x = 201,971,763,690,100.81/16,313,746.28 - Step 6: Final answer
x = 12,380,464.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.