Finding the Fourth Proportional to 39,357,289.97, 54,310,435.75 and 22,612,568.21
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Solution
The fourth proportional to 39,357,289.97, 54,310,435.75 and 22,612,568.21 is: 31,203,836.29
Step by Step Solution
- Step 1: Write the proportion equation
39,357,289.97 : 54,310,435.75 = 22,612,568.21 : x - Step 2: Convert to fraction form
39,357,289.97/54,310,435.75 = 22,612,568.21/x - Step 3: Cross multiply
39,357,289.97x = 54,310,435.75 × 22,612,568.21 - Step 4: Simplify right side
39,357,289.97x = 1,228,098,432,911,697.50 - Step 5: Solve for x
x = 1,228,098,432,911,697.50/39,357,289.97 - Step 6: Final answer
x = 31,203,836.29
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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.