Finding the Fourth Proportional to 23,460,418.01, 32,363,872.09 and 20,358,587.81
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Solution
The fourth proportional to 23,460,418.01, 32,363,872.09 and 20,358,587.81 is: 28,084,867.52
Step by Step Solution
- Step 1: Write the proportion equation
23,460,418.01 : 32,363,872.09 = 20,358,587.81 : x - Step 2: Convert to fraction form
23,460,418.01/32,363,872.09 = 20,358,587.81/x - Step 3: Cross multiply
23,460,418.01x = 32,363,872.09 × 20,358,587.81 - Step 4: Simplify right side
23,460,418.01x = 658,882,731,815,873.12 - Step 5: Solve for x
x = 658,882,731,815,873.12/23,460,418.01 - Step 6: Final answer
x = 28,084,867.52
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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.