Finding the Fourth Proportional to 12,801,358.08, 17,657,550.24 and 8,210,407.68
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Solution
The fourth proportional to 12,801,358.08, 17,657,550.24 and 8,210,407.68 is: 11,325,023.89
Step by Step Solution
- Step 1: Write the proportion equation
12,801,358.08 : 17,657,550.24 = 8,210,407.68 : x - Step 2: Convert to fraction form
12,801,358.08/17,657,550.24 = 8,210,407.68/x - Step 3: Cross multiply
12,801,358.08x = 17,657,550.24 × 8,210,407.68 - Step 4: Simplify right side
12,801,358.08x = 144,975,686,100,481.81 - Step 5: Solve for x
x = 144,975,686,100,481.81/12,801,358.08 - Step 6: Final answer
x = 11,325,023.89
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1.5x scale
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.